Add PR title checker workflow

Author: Roopan-Microsoft

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

@@ -0,0 +1,22 @@
+name: "PR Title Checker"
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+  merge_group:
+
+permissions:
+  pull-requests: read
+
+jobs:
+  main:
+    name: Validate PR title
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name != 'merge_group' }}
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}