changed flutter version on release workflow ci to 3.0.5

Author: irediaes

.github/workflows/release.yaml

@@ -108,10 +108,10 @@ jobs:
     needs: release
     steps:
       # Set up Flutter.
-      - name: Clone Flutter repository with flutter-version 2.10.3
+      - name: Clone Flutter repository with flutter-version 3.0.5
         uses: subosito/flutter-action@v2
         with:
-          flutter-version: '2.10.3'
+          flutter-version: '3.0.5'
 
       - name: Install Linux dependencies
         if: matrix.target == 'Linux'