chore: send comment about merge conflict (#11345)

Co-authored-by: Leo Giovanetti <hello@leog.me>

.github/workflows/merge-conflict

@@ -0,0 +1,18 @@
+name: Auto Comment Merge Conflicts
+on: push
+
+permissions:
+  pull-requests: write
+
+jobs:
+  auto-comment-merge-conflicts:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: codytseng/auto-comment-merge-conflicts@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          comment-body: "Hey there, there is a merge conflict, can you take a look?"
+          wait-ms: 3000
+          max-retries: 5
+          label-name: "🚨 merge conflict"
+          ignore-authors: dependabot,otherAuthor