fix(ci): replace commit-lint with standard commitlint workflow

Use the same commitlint-based PR title validation as dtvem.io and
codingwithcalvin.net.

Author: CalvinAllen

.github/workflows/commit-lint.yml

@@ -1,36 +1,33 @@
-name: Commit Lint
+name: Lint Commit Messages
 
 on:
   pull_request:
-    types:
-      - opened
-      - edited
-      - synchronize
+    types: [opened, edited, reopened, synchronize]
+
+permissions:
+  contents: read
+  pull-requests: read
 
 jobs:
-  lint:
+  lint-pr-title:
+    name: Lint PR Title
     runs-on: ubuntu-latest
     steps:
-      - name: Check PR title format
-        uses: amannn/action-semantic-pull-request@v5
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
         with:
-          types: |
-            feat
-            fix
-            docs
-            style
-            refactor
-            perf
-            test
-            build
-            ci
-            chore
-            revert
-          requireScope: false
-          subjectPattern: ^[a-z].+$
-          subjectPatternError: |
-            The subject "{subject}" found in the pull request title "{title}"
-            didn't match the configured pattern. Please ensure that the subject
-            starts with a lowercase letter.
+          node-version: '20'
+
+      - name: Install commitlint
+        run: |
+          npm install --save-dev @commitlint/cli@18.4.3 @commitlint/config-conventional@18.4.3
+
+      - name: Validate PR title
+        env:
+          PR_TITLE: ${{ github.event.pull_request.title }}
+        run: |
+          echo "Validating PR title: $PR_TITLE"
+          echo "$PR_TITLE" | npx commitlint --verbose