chore: remove label before submitting (#2159)

.github/workflows/wpt.yml

@@ -106,12 +106,20 @@ jobs:
         with:
           name: mapper-headless-wpt-metadata
           path: wpt-metadata/mapper/headless
+      - run: gh pr edit "$NUMBER" --remove-label "puppeteer"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_REPO: ${{ github.repository }}
+          NUMBER: ${{ github.event.pull_request.number }}
       - name: Auto-commit WPT expectations
         if: success() || failure()
         uses: stefanzweifel/git-auto-commit-action@8621497c8c39c72f3e2a999a26b4ca1b5058a842 # v5.0.1
         with:
           commit_message: Update WPT expectations
           commit_options: -n --signoff
+          commit_user_name: Browser Automation Bot
+          commit_user_email: [email protected]
+          commit_author: Browser Automation Bot <[email protected]>
           file_pattern: 'wpt-metadata/**/*.ini'
 
   wpt: