ci: align promote workflow token permissions (#3067) (#3073)

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

Author: baywet

.github/workflows/promote-shipped-apis.yml

@@ -24,6 +24,15 @@ jobs:
         with:
           client-id: ${{ vars.RELEASE_PLEASE_TOKEN_PROVIDER_APP_ID }}
           private-key: ${{ secrets.RELEASE_PLEASE_TOKEN_PROVIDER_PEM }}
+          permission-contents: write
+          permission-pull-requests: write
+
+      - name: Get GitHub App user ID
+        id: get-user-id
+        shell: bash
+        env:
+          GH_TOKEN: ${{ steps.app-token.outputs.token }}
+        run: echo "user-id=$(gh api "/users/${{ steps.app-token.outputs.app-slug }}[bot]" --jq .id)" >> "$GITHUB_OUTPUT"
 
       - name: Checkout code
         uses: actions/checkout@v6
@@ -36,9 +45,9 @@ jobs:
         env:
           GH_TOKEN: ${{ steps.app-token.outputs.token }}
         run: |
-          git config --global user.name "github-actions[bot]"
-          git config --global user.email "github-actions[bot]@users.noreply.github.com"
-          git config --global url."https://$($env:GH_TOKEN)@github.com/".insteadOf "https://github.com/"
+          git config --global user.name "${{ steps.app-token.outputs.app-slug }}[bot]"
+          git config --global user.email "${{ steps.get-user-id.outputs.user-id }}+${{ steps.app-token.outputs.app-slug }}[bot]@users.noreply.github.com"
+          git config --global url."https://x-access-token:${{ steps.app-token.outputs.token }}@github.com/".insteadOf "https://github.com/"
       
       - name: Check for existing PR
         id: check_pr