Update dart.yml

Author: DevBehindYou

.github/workflows/dart.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Run tests
         run: dart test
 
-            - name: Cache
+      - name: Cache
   uses: actions/cache@v4.2.3
   with:
     # A list of files, directories, and wildcard patterns to cache and restore