👷 Upgrade `latest-changes` GitHub Action and pin `actions/checkout@v5` (#14403)

👷 Upgrade latest-changes and pin actions/checkout@v5

.github/workflows/latest-changes.yml

@@ -24,7 +24,9 @@ jobs:
         env:
           GITHUB_CONTEXT: ${{ toJson(github) }}
         run: echo "$GITHUB_CONTEXT"
-      - uses: actions/checkout@v6
+      # pin to actions/checkout@v5 for compatibility with latest-changes
+      # Ref: https://github.com/actions/checkout/issues/2313
+      - uses: actions/checkout@v5
         with:
           # To allow latest-changes to commit to the main branch
           token: ${{ secrets.FASTAPI_LATEST_CHANGES }}
@@ -34,7 +36,7 @@ jobs:
         if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.debug_enabled == 'true' }}
         with:
           limit-access-to-actor: true
-      - uses: tiangolo/[email protected].0
+      - uses: tiangolo/[email protected].1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           latest_changes_file: docs/en/docs/release-notes.md