Fixed workflow again

.github/workflows/dart.yml

@@ -18,18 +18,15 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      # Note: This workflow uses the latest stable version of the Dart SDK.
-      # You can specify other versions if desired, see documentation here:
-      # https://github.com/dart-lang/setup-dart/blob/main/README.md
-      # - uses: dart-lang/setup-dart@v1
-      - uses: dart-lang/setup-dart@9a04e6d73cca37bd455e0608d7e5092f881fd603
+      - name: Install Flutter
+        uses: britannio/action-install-flutter@v1
 
-      - name: Install dependencies
+      - name: Get dependencies
         run: flutter pub get
 
       # 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 --line-length=100 --output=none --set-exit-if-changed .
 
       # Consider passing '--fatal-infos' for slightly stricter analysis.
       - name: Analyze project source