fixed broken workflow files

Author: matt200-ok

.github/workflows/flutter-codestyle.yml

@@ -20,10 +20,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Install Flutter 2.8.1
+    - name: Install Flutter 3.22.2
       uses: subosito/flutter-action@v2
       with:
-        flutter-version: 2.8.1
+        flutter-version: 3.22.2
 
     - name: Install dependencies
       run: flutter pub get

.github/workflows/flutter-example.yml

@@ -27,15 +27,11 @@ jobs:
       matrix:
         flutter-version: ['3.3.0', '3.22.2']
         include:
-        - flutter-version: 2.8.1
+        - flutter-version: 3.3.0
           gradle-version: 6.5
           agp-version: 4.1.3
           java-version: 11
-        - flutter-version: 3.0.4
-          gradle-version: 7.5
-          agp-version: 7.4.2
-          java-version: 11
-        - flutter-version: 3.10.6
+        - flutter-version: 3.22.2
           gradle-version: 8.2
           agp-version: 8.2.2
           java-version: 17