Rework test workflows

Author: socheatsok78

.github/workflows/test.yml renamed to .github/workflows/dart.yml

@@ -1,4 +1,4 @@
-name: test
+name: dart
 
 on:
   push:
@@ -13,4 +13,5 @@ jobs:
       contents: read
     steps:
       - uses: actions/checkout@v4
+      - uses: dart-lang/setup-dart@v1
       - uses: ./