feat(ci): add lint pipeline for PRs (#1839)

Adds a CI step that validates the pull request title to ensure that it complies with the conventional commit specifications. A pipeline will be triggered upon opening a pull request and upon renaming the pull request title.

Signed-off-by: ozkanonur <[email protected]>

.github/workflows/pr-lint.yml

@@ -0,0 +1,42 @@
+name: "PR Lint"
+
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+jobs:
+  main:
+    name: Validate PR title
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          types: |
+            feat
+            fix
+            chore
+            docs
+            deps
+            test
+            refactor
+            ci
+          requireScope: true
+          # Do not allow starting with uppercase for subject part
+          subjectPattern: ^(?![A-Z]).+$
+          headerPatternCorrespondence: type, scope, subject
+
+      - name: Check PR title length
+        env:
+          TITLE: ${{ github.event.pull_request.title }}
+        run: |
+          title_length=${#TITLE}
+          if [ $title_length -gt 72 ]
+          then
+            echo "PR title is too long (greater than 72 characters)"
+            exit 1
+          fi