chore(deps): update peter-evans/find-comment action to v4

Author: renovate[bot]

.github/workflows/update-tools.yml

@@ -336,7 +336,7 @@ jobs:
     steps:
       - name: Find existing comment
         if: github.event_name == 'pull_request'
-        uses: peter-evans/find-comment@v3
+        uses: peter-evans/find-comment@v4
         id: find-comment
         with:
           issue-number: ${{ github.event.pull_request.number }}