feat(codeowners): add on-call to manage github actions updates (#11342)

# Description

This pull request updates the `.github/CODEOWNERS` file to improve and
clarify code ownership assignments, especially for configuration and
workflow files. The changes expand ownership to cover more files and
ensure the appropriate teams are notified for relevant changes.

## Type of change

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- This pull request is a minor refactor, code cleanup, test improvement,
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## Contributor checklist
Please verify that the PR meets the following requirements, where
applicable:

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- An overview of proposed schema changes is included in a linked GitHub
issue.
    - [ ] Yes <!-- TaskRadio schema -->
    - [x] Not applicable <!-- TaskRadio schema -->
- A design document PR is created in the [design-notes
repository](https://github.com/radius-project/design-notes/), if new
APIs are being introduced.
    - [ ] Yes <!-- TaskRadio design-pr -->
    - [x] Not applicable <!-- TaskRadio design-pr -->
- The design document has been reviewed and approved by Radius
maintainers/approvers.
    - [ ] Yes <!-- TaskRadio design-review -->
    - [x] Not applicable <!-- TaskRadio design-review -->
- A PR for the [samples
repository](https://github.com/radius-project/samples) is created, if
existing samples are affected by the changes in this PR.
    - [ ] Yes <!-- TaskRadio samples-pr -->
    - [x] Not applicable <!-- TaskRadio samples-pr -->
- A PR for the [documentation
repository](https://github.com/radius-project/docs) is created, if the
changes in this PR affect the documentation or any user facing updates
are made.
    - [ ] Yes <!-- TaskRadio docs-pr -->
    - [x] Not applicable <!-- TaskRadio docs-pr -->
- A PR for the [recipes
repository](https://github.com/radius-project/recipes) is created, if
existing recipes are affected by the changes in this PR.
    - [ ] Yes <!-- TaskRadio recipes-pr -->
    - [x] Not applicable <!-- TaskRadio recipes-pr -->

---------

Signed-off-by: Dariusz Porowski <3431813+DariuszPorowski@users.noreply.github.com>

Author: DariuszPorowski

.github/CODEOWNERS

@@ -5,8 +5,18 @@
 # Files in the root directory
 **/go.mod @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
 **/go.sum @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
+
 # Devcontainer files
-.devcontainer/devcontainer.json @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
+.devcontainer/**    @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
+
+# Allows on-call members to respond to changes in .github
+.github/workflows/*.yaml  @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
+.github/workflows/*.yml   @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
+
+# GitHub configs
+.github/*.yaml  @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
+.github/*.yml   @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
+
 # Dockerfile
 test/*/Dockerfile          @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius
 deploy/images/*/Dockerfile @radius-project/on-call @radius-project/maintainers-radius @radius-project/approvers-radius