fix(deps): update dependency firebase-functions to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
firebase-functions	3.15.7 -> 4.9.0

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Release Notes

firebase/firebase-functions (firebase-functions)

v4.9.0

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• Add new 2nd gen Firestore auth context triggers. (#​1519)

v4.8.2

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Fix bug with CORS options for an array of one string (#​1544)

v4.8.1

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Fix bug where 1st gen functions eventually fail with stack too deep (#​1540)
Make simple CORS options static for improved debugability (#​1536)

v4.8.0

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Add onInit callback function for global variable initialization (#​1531)

v4.7.0

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• Fixes access on deeply nested, nonexistent property. (#​1432)
• Add IteratedDataSnapshot interface to match with firebase admin v12 (#​1517).
• Make bucket parameterizeable in storage functions (#​1518)
• Introduce helper library for select and multi-select input (#​1518)

v4.6.0

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• Wrap 2nd gen onCall functions with trace context. (#​1491)
• Bump peer depdencies for firebase-admin to support 12.0.0. (#​1509)

v4.5.0

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• Remove HTTP server shutdown message. (#​1457)
• Add features to task queue functions. (#​1423)
• Add traces to V2 Firestore trigger logs. (#​1440)
• Fix incorrectly parsed timestamps in auth blocking functions. (#​1472)
• Add recaptcha verdict support for auth blocking functions (#​1458)

v4.4.1

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• Update list of supported regions for 2nd Gen Functions. (#​1402)
• Fix bug where log message on structured log was being overwritten (#​1416)
• Fix bug where exists() should return true for falsy values like 0, "" (#​1410)

v4.4.0

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• Fix typo on alert event type. (#​1384)
• Add consumeAppCheckToken option for callable functions (#​1374)

v4.3.1

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• Export Change interface from the v2 firestore path (#​1379).

v4.3.0

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• Enhance firstore triggers (#​1358).
• Allow parametrized string type in ServiceAccount fields in Functions and trigger configs (#​1309)
• Adds support for region params (#​1353).

v4.2.1

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• Fixes an emulator issue where snapshot.ref could not point to multiple databases (#​1339).
• Fixes emulated v1 callable functions that use a monorepo setup (#​1345).

v4.2.0

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• Allow Functions to specify vpcConnector as a string parameter (#​1329)
• Upgrade jsonwebtoken to version 9 (#​1336)
• Adds 'eventarcpublishing' as required API to custom event function
• Hide type information of defineFloat in params module - it's not supported yet (#​1341)

v4.1.1

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• Fix bug where some FireAlerts v2 functions didn't correctly return values back to Functions Framework. (#​1324)

v4.1.0

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• Deprecate typoed function name lessThanorEqualTo (#​1284)
• Fix a bug where supplying preserveExternalChanges to scheduled functions would cause deployment failure (#​1305).
• Adds omit option to skip function deploys (#​1298).

v4.0.2

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• Fix bug where secret parameters, defined using defineSecret(), were missing a .value() method (#​1281)
• Fix bug where v1/https was not exported (#​1267)
• Fix incorrect typeVersion export paths (#​1287)
• Revert removal of \_\_trigger (#​1274)

v4.0.1

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Correct the function BooleanExpression#then to BooleanExpression#thenElse (#​1268)

v4.0.0

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Breaking Changes

• Deprecated allowInvalidAppCheckToken option. Instead use
  enforceAppCheck.

App Check enforcement on callable functions is disabled by default in v4.
Requests containing invalid App Check tokens won't be denied unless you
explicitly enable App Check enforcement using the new enforceAppCheck option.
Furthermore, when enforcement is enabled, callable functions will deny
all requests without App Check tokens.

• Dropped support for Node.js versions 8, 10, and 12.
• Dropped support for Admin SDK versions 8 and 9.
• Removed the functions.handler namespace.
• DataSnapshot passed to the Firebase Realtime Database trigger now
  matches the DataSnapshot returned by the Admin SDK, with null values
  removed.
• Removed __trigger object on function handlers.
• Reorganized source code location. This affects only apps that directly import files instead of using the recommend entry points specified in the
• Reworked the apps library and removed lodash as a runtime dependency.
• Change default behavior of function deploy to clear configurations not specified in the source code (e.g. change memory configuration in Google Cloud Console). Use preserveExternalChanges to keep existing behavior. See docs for more info.

Enhancements

• Logs created with the functions.logger package in v2 functions
  are now annotated with each request's trace ID, making it easy to correlate
  log entries with the incoming request. Trace IDs are especially useful for
  cases where 2nd gen's concurrency feature permits a function
  to handle multiple requests at any given time. See
  Correlate log entries to learn more.
• functions.logger.error now always outputs an error object and is included in Google Cloud Error Reporting.
• The logging severity of Auth/App Check token validation has changed from info to debug level.
• Event parameters for 2nd generation functions are now strongly typed, permitting stronger TypeScript types for matched parameters.

v3.24.1

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• Fix reference docs for performance monitoring.
• Fix bug where function configuration wil null values couldn't be deployed. (#​1246)

v3.24.0

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• Add performance monitoring triggers to v2 alerts (#​1223).

v3.23.0

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• Fixes a bug that disallowed setting customClaims and/or sessionClaims in blocking functions (#​1199).
• Add v2 Schedule Triggers (#​1177).

v3.22.0

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• Adds RTDB Triggers for v2 functions (#​1127)
• Adds support for Firebase Admin SDK v11 (#​1151)
• Fixes bug where emulated task queue function required auth header (#​1154)

v3.21.2

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• Fixes bug where toJSON was not defined in UserRecord (#​1125).

v3.21.1

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• Add debug feature to enable cors option for v2 onRequest and onCall handlers. (#​1099)

v3.21.0

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• Adds CPU option and enhances internal data structures (#​1077)
• Add auth blocking handlers (#​1080)
• Add support for secrets in v2 (#​1079)
• Update types for AlertPayloads (#​1087)
• Update AppDistribution [@type] (#​1088)
• Update CloudEvent types (#​1089)
• Generate documentation with api-extractor (#​1071)
• Change type info to be inheritance friendly. (#​1091)
• Changes the memory options from MB to MiB and GB to GiB for greater clarity (#​1090)

v3.20.1

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• Improve authorization for tasks. (#​1073)

v3.20.0

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• Changes internal structure to be more flexible (#​1070).

v3.19.0

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• Add support for more regions and memory for v2 functions (#​1037).
• Fixes bug where some RTDB instance names were incorrectly parsed (#​1056).

v3.18.1

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• Expose stack YAML via __/functions.yaml endpoint instead (#​1036).

v3.18.0

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• Add new runtime option for setting secrets.

v3.17.2

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• Fix issue where v2 TS users couldn't compile their code because of unexported types. (#​1033)

v3.17.1

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• Fix issue where TS users couldn't compile their code because of unexported types. (#​1032)

v3.17.0

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• Parallelizes network calls that occur when validating authorization for onCall handlers.
• Adds new regions to V2 API
• Fixes bug where the emulator crashed when given app without an options property.
• Adds new alerting providers

v3.16.0

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• GCS Enhancement
• Add option to allow callable functions to ignore invalid App Check tokens
• Add firebase-admin v10 as an allowed peer dependency
• Fix bug where onCall handler failed to encode returned value with functions

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