kiota 1.21.0

[BrewTestBot]

Created by brew bump

---

Created with brew bump-formula-pr.

release notes

## Added

Added a notion of support experience for languages in preparation for new community implemented languages.

Changed

Fixed python generation in scenarios with opening/closing tags for code comments. #5636
Fixed Python error when a class inherits from a base class and implements an interface. #5637
Fixed a bug where one/any schemas with single schema entries would be missing properties. #5808
Fixed anyOf/oneOf generation in TypeScript. 5353
Fixed invalid code in Php caused by "//" in property description. 5635
Fixed a bug where discriminator property name lookup could end up in an infinite loop. #5771
Fixed TypeScript generation error when generating usings from shaken serializers. #5634
Multiple fixed and improvements in OpenAPI description generation for plugins. [#5806](Plugins generation uses the wrong schema microsoft/kiota#5806

[github-actions]

🤖 An automated task has requested bottles to be published to this PR.