This is an error.

followed by another
and then followed by yet another error because this line is far too long for reading

.github/workflows/CommitMessage.yml

@@ -0,0 +1,31 @@
+name: Commit messages check
+on:
+  pull_request:
+
+jobs:
+  gitlint:
+    name: Check commit messages
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - name: Install dependencies
+      run: |
+        pip install --upgrade gitlint
+    - name: Lint git commit messages
+      run: |
+        echo "lint_result=<<EOF" >> "$GITHUB_ENV"
+        gitlint --commits origin/$GITHUB_BASE_REF..  >> "$GITHUB_ENV" 2>&1
+        echo "EOF" >> "$GITHUB_ENV"
+        echo ${{ env.lint_result }} >> $GITHUB_STEP_SUMMARY
+    - name: Comment on PR
+      if: failure()
+      uses: marocchino/sticky-pull-request-comment@v2
+      with:
+        header: Commit Comment
+        message: |
+          ```
+          ${{ env.lint_result }}
+          ```