feat(ci): introduce PR title linting with GitHub Actions

.github/workflows/check-pr-title.yml

@@ -0,0 +1,18 @@
+name: Check PR title
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - edited
+      - synchronize
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    permissions:
+      statuses: write
+    steps:
+      - uses: aslafy-z/conventional-pr-title-action@v3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}