Update workflows

Author: PiotrRogulski

.github/workflows/leancode_cubit_utils-publish.yml

@@ -25,12 +25,12 @@ jobs:
       - name: Setup Dart
         uses: dart-lang/setup-dart@v1
         with:
-          sdk: 3.2
+          sdk: 3.6
 
       - name: Set up Flutter
         uses: subosito/flutter-action@v2
         with:
-          flutter-version: 3.19.x
+          flutter-version: 3.27.x
           cache: true
 
       - name: Publish and release

.github/workflows/leancode_cubit_utils-test.yml

@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - version: '3.19.x'
+          - version: '3.27.x'
 
     defaults:
       run: