docs: update actions and workflows documentation

[skip ci]

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: hoverkraft-bot[bot]

.github/workflows/release.md

@@ -28,6 +28,7 @@ This workflow delegates release tasks by reusing a shared release workflow, ensu
 
 - **`contents`**: `write`
 - **`id-token`**: `write`
+- **`pull-requests`**: `read`
 
 <!-- overview:end -->
 <!-- usage:start -->

actions/release/create/README.md

@@ -47,6 +47,7 @@ Action to create a new release
     # GitHub Token for creating the release.
     # Permissions:
     # - contents: write
+    # - pull-requests: read
     #
     # Default: `${{ github.token }}`
     github-token: ${{ github.token }}
@@ -71,6 +72,7 @@ Action to create a new release
 | **`github-token`**      | GitHub Token for creating the release.                                                                                                                     | **false**    | `${{ github.token }}` |
 |                         | Permissions:                                                                                                                                               |              |                       |
 |                         | - contents: write                                                                                                                                          |              |                       |
+|                         | - pull-requests: read                                                                                                                                      |              |                       |
 
 <!-- inputs:end -->