2.20.0

• New integration: Add Typer integration (#3869) by @patrick91

  For more information, see the documentation for the TyperIntegration.

• New integration: Add Unleash feature flagging integration (#3888) by @aliu39

  For more information, see the documentation for the UnleashIntegration.

• Add custom tracking of feature flag evaluations (#3860) by @aliu39

• Feature Flags: Register LD hook in setup instead of init, and don't check for initialization (#3890) by @aliu39

• Feature Flags: Moved adding of flags context into Scope (#3917) by @antonpirker

• Create a separate group for feature flag test suites (#3911) by @sentrivana

• Fix flaky LaunchDarkly tests (#3896) by @aliu39

• Fix LRU cache copying (#3883) by @ffelixg

• Fix cache pollution from mutable reference (#3887) by @cmanallen

• Centralize minimum version checking (#3910) by @sentrivana

• Support SparkIntegration activation after SparkContext created (#3411) by @seyoon-lim

• Preserve ARQ enqueue_job kwdefaults after patching (#3903) by @danmr

• Add Github workflow to comment on issues when a fix was released (#3866) by @antonpirker

• Update test matrix for Sanic (#3904) by @antonpirker

• Rename scripts (#3885) by @sentrivana

• Fix CI (#3878) by @sentrivana

• Treat potel-base as release branch in CI (#3912) by @sentrivana

• build(deps): bump actions/create-github-app-token from 1.11.0 to 1.11.1 (#3893) by @dependabot

• build(deps): bump codecov/codecov-action from 5.0.7 to 5.1.1 (#3867) by @dependabot

• build(deps): bump codecov/codecov-action from 5.1.1 to 5.1.2 (#3892) by @dependabot