Upgrade dart and flutter in publish action (#411)

Author: pdenert

.github/workflows/leancode_analytics-publish.yml

@@ -25,12 +25,12 @@ jobs:
       - name: Set up Dart
         uses: dart-lang/setup-dart@v1
         with:
-          sdk: 3.4
+          sdk: 3.5
 
       - name: Set up Flutter
         uses: subosito/flutter-action@v2
         with:
-          flutter-version: 3.22.x
+          flutter-version: 3.24.x
           cache: true
 
       - name: Publish and release