React to the galata update comment (#7086)

.github/workflows/playwright-update.yml

@@ -22,6 +22,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: React to the triggering comment
+        run: |
+          gh api repos/${{ github.repository }}/issues/comments/${{ github.event.comment.id }}/reactions --raw-field 'content=+1'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Checkout the branch from the PR that triggered the job
         run: |
           # PR branch remote must be checked out using https URL