chore: enforce conventional commits on PR titles (#3803)

### Description

uses this github action:
https://github.com/amannn/action-semantic-pull-request

.github/workflows/lint-pr.yaml

@@ -0,0 +1,20 @@
+name: 'Lint PR'
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+permissions:
+  pull-requests: read
+
+jobs:
+  main:
+    name: Validate PR title
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@cfb60706e18bc85e8aec535e3c577abe8f70378e
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}