Repoint deprecated contributing stub links to maintained docs (#62092)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: heiskr

.github/CONTRIBUTING.md

@@ -78,7 +78,7 @@ For complete style guidance, see our [style guide](https://docs.github.com/en/co
 
 <img src="/contributing/images/contribution_cta.png" />
 
-**Make changes in a codespace:** See "[Working in a codespace](https://github.com/github/docs/blob/main/contributing/codespace.md)" for documentation-specific setup.
+**Make changes in a codespace:** See "[Working on GitHub Docs in a codespace](https://docs.github.com/en/contributing/setting-up-your-environment-to-work-on-github-docs/working-on-github-docs-in-a-codespace)" for documentation-specific setup.
 
 **Make changes locally:** 
 1. Fork the repository (see [official forking guide](https://docs.github.com/en/contributing))

assets/images/README.md

@@ -2,4 +2,4 @@
 The `/assets/images` directory holds all the site's images.
 
 
-See [imaging and versioning](https://github.com/github/docs/blob/main/contributing/images-and-versioning.md) from the contributing docs for more information.
+See [Creating screenshots](https://docs.github.com/en/contributing/writing-for-github-docs/creating-screenshots) from the contributing docs for more information.

contributing/development.md

@@ -32,7 +32,7 @@ Power users may want to read more about [debugging the docs application](./debug
 
 ### Using GitHub Codespaces
 
-As an alternative, you can simply use [GitHub Codespaces](https://docs.github.com/en/codespaces/quickstart). For more information about using a codespace for working on GitHub documentation, see [Working in a codespace](https://github.com/github/docs/blob/main/contributing/codespace.md).
+As an alternative, you can simply use [GitHub Codespaces](https://docs.github.com/en/codespaces/quickstart). For more information about using a codespace for working on GitHub documentation, see [Working on GitHub Docs in a codespace](https://docs.github.com/en/contributing/setting-up-your-environment-to-work-on-github-docs/working-on-github-docs-in-a-codespace).
 
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