Fix default title of auto review PRs

Author: niallthomson

.github/workflows/auto-review.yaml

@@ -52,7 +52,7 @@ jobs:
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v7
         with:
-          title: "Automated review of ${{ github.event.inputs.directory }}"
+          title: "chore: Automated review of ${{ github.event.inputs.directory }}"
           branch: "automated-review/${{ github.event.inputs.directory }}"
           body-path: /tmp/summary.md
           delete-branch: true