Update dart.yml

Author: pratikPSB

.github/workflows/dart.yml

@@ -58,7 +58,7 @@ jobs:
 
       # Uncomment this step to verify the use of 'dart format' on each commit.
       - name: Verify formatting
-        run: dart format --output=none --set-exit-if-changed .
+        run: dart format lib\ --output=none --set-exit-if-changed .
 
       # Consider passing '--fatal-infos' for slightly stricter analysis.
       - name: Analyze project source