Update .forgejo/workflows/syntax-check.yml

.forgejo/workflows/syntax-check.yml

@@ -1,11 +1,11 @@
 name: Check syntax
-on: [push,workflow_dispatch]
+on: [push,pull_request,workflow_dispatch]
 jobs:
   check:
-    runs-on: docker
+    runs-on: alpine
     steps:
+      - uses: https://git.swee.codes/swee/setup-alpine@main
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-      - name: Install dependencies
+      - name: Install JSHint
         run: npm --global install jshint
       - run: jshint