Go module dependency for bicep-types-go instead of submodule

[brooke-hamilton]

Description

This PR updates Go code to use the bicep-types-go package as a standard Go module dependency fetched via go get github.com/Azure/bicep-types/src/bicep-types-go@<commit hash>, rather than relying on the git submodule. The submodule remains for TypeScript/pnpm tooling, but Go tooling now references the package directly from the Azure/bicep-types repository.

This PR is step 1 of 2 in a two-step update to remove the git submodule. The plan is here: radius-project/design-notes#138

Changes:

• Removed the replace directive in go.mod that pointed to the local submodule
• Added direct dependency on github.com/Azure/bicep-types/src/bicep-types-go
• Updated contributor documentation to clarify when the submodule is required

Type of change

• This pull request is a minor refactor, code cleanup, test improvement, or other maintenance task and doesn't change the functionality of Radius (issue link optional).

Related issue #10913

• Design document: Specification for removing bicep-types submodule and migrating to pnpm + Go modules design-notes#138

Contributor checklist

Please verify that the PR meets the following requirements, where applicable:

• An overview of proposed schema changes is included in a linked GitHub issue.
  • Yes
  • Not applicable
• A design document PR is created in the design-notes repository, if new APIs are being introduced.
  • Yes
  • Not applicable
• The design document has been reviewed and approved by Radius maintainers/approvers.
  • Yes
  • Not applicable
• A PR for the samples repository is created, if existing samples are affected by the changes in this PR.
  • Yes
  • Not applicable
• A PR for the documentation repository is created, if the changes in this PR affect the documentation or any user facing updates are made.
  • Yes
  • Not applicable
• A PR for the recipes repository is created, if existing recipes are affected by the changes in this PR.
  • Yes
  • Not applicable

[Copilot]

Pull request overview

This PR migrates the Go code from using the bicep-types git submodule to using bicep-types-go as a standard Go module dependency. The submodule remains in place for TypeScript/pnpm tooling. This change is part of a broader effort to modernize dependency management and reduce the friction associated with git submodules (as described in issue #10913).

Changes:

• Removed the replace directive from go.mod that pointed to the local submodule path
• Added direct dependency on github.com/Azure/bicep-types/src/bicep-types-go with a specific pseudo-version
• Updated contributor documentation to clarify that the submodule is only required for TypeScript/pnpm tooling, not for Go development

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
go.mod	Removed replace directive for local submodule, added direct dependency on bicep-types-go module
go.sum	Added checksum entries for the new bicep-types-go module dependency
docs/contributing/contributing-code/contributing-code-building/README.md	Updated documentation to clarify that submodule is only needed for TypeScript/pnpm, not Go

[radius-functional-tests]

Radius functional test overview

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Name	Value
Repository	brooke-hamilton/radius
Commit ref	8c79f38
Unique ID	func9ebdac91a2
Image tag	pr-func9ebdac91a2

• gotestsum 1.13.0
• KinD: v0.29.0
• Dapr: 1.14.4
• Azure KeyVault CSI driver: 1.4.2
• Azure Workload identity webhook: 1.3.0
• Bicep recipe location ghcr.io/radius-project/dev/test/testrecipes/test-bicep-recipes/<name>:pr-func9ebdac91a2
• Terraform recipe location http://tf-module-server.radius-test-tf-module-server.svc.cluster.local/<name>.zip (in cluster)
• applications-rp test image location: ghcr.io/radius-project/dev/applications-rp:pr-func9ebdac91a2
• dynamic-rp test image location: ghcr.io/radius-project/dev/dynamic-rp:pr-func9ebdac91a2
• controller test image location: ghcr.io/radius-project/dev/controller:pr-func9ebdac91a2
• ucp test image location: ghcr.io/radius-project/dev/ucpd:pr-func9ebdac91a2
• deployment-engine test image location: ghcr.io/radius-project/deployment-engine:latest

Test Status

⌛ Building Radius and pushing container images for functional tests...
✅ Container images build succeeded
⌛ Publishing Bicep Recipes for functional tests...
✅ Recipe publishing succeeded
⌛ Starting corerp-cloud functional tests...
⌛ Starting ucp-cloud functional tests...
✅ ucp-cloud functional tests succeeded
✅ corerp-cloud functional tests succeeded