Update workflow so that PRs are automerged when they pass all the CI tests (#61234)

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

Author: mchammer01

.github/workflows/sync-secret-scanning.yml

@@ -72,13 +72,27 @@ jobs:
             --title "Sync secret scanning data" \
             --body '👋 humans. This PR updates the secret scanning data with the latest changes from github/token-scanning-service.
 
-            /cc @github/docs-content-security-products
+            If CI passes, this PR will be auto-merged. :green_heart:
 
             If CI does not pass or other problems arise, contact #docs-engineering on Slack.' \
             --repo github/docs-internal \
-            --label secret-scanning-pipeline,'skip FR board',ready-for-doc-review,workflow-generated \
+            --label secret-scanning-pipeline,'skip FR board',workflow-generated \
             --head=$branchname
 
+          # can't approve your own PR, approve with Actions
+          echo "Approving pull request..."
+          unset GITHUB_TOKEN
+          gh auth login --with-token <<< "${{ secrets.GITHUB_TOKEN }}"
+          gh pr review --approve
+          echo "Approved pull request"
+
+          # Actions can't merge the PR so back to docs-bot to merge
+          echo "Setting pull request to auto merge..."
+          unset GITHUB_TOKEN
+          gh auth login --with-token <<< "${{ secrets.DOCS_BOT_PAT_BASE }}"
+          gh pr merge --auto --merge
+          echo "Set pull request to auto merge"
+
       - uses: ./.github/actions/slack-alert
         if: ${{ failure() && github.event_name != 'workflow_dispatch' }}
         with: