ci: add path filtering to lint-stylelint workflow

.github/workflows/lint-stylelint.yml

@@ -18,9 +18,38 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  changes:
+    runs-on: ubuntu-latest-low
+    permissions:
+      contents: read
+      pull-requests: read
+
+    outputs:
+      src: ${{ steps.changes.outputs.src}}
+
+
+    steps:
+      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - '.github/workflows/**'
+              - '**/src/**'
+              - 'package.json'
+              - 'package-lock.json'
+              - '.stylelintrc.*'
+              - '**.css'
+              - '**.scss'
+              - '**.vue'
+
   lint:
     runs-on: ubuntu-latest
 
+    needs: changes
+    if: needs.changes.outputs.src != 'false'
+
     name: stylelint
 
     steps:
@@ -51,3 +80,17 @@ jobs:
 
       - name: Lint
         run: npm run stylelint
+
+  summary:
+    permissions:
+      contents: none
+    runs-on: ubuntu-latest-low
+    needs: [changes, lint]
+
+    if: always()
+
+    name: stylelint-summary
+
+    steps:
+      - name: Summary status
+        run: if ${{ needs.changes.outputs.src != 'false' && needs.lint.result != 'success' }}; then exit 1; fi