Upgrade Flutter

Author: mstniy

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
   check:
     strategy:
       matrix:
-        flutter_version: [3.16.x, 3.13.x]
+        flutter_version: [3.29.x, 3.27.x]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

pubspec.yaml

@@ -16,8 +16,8 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^3.0.0
-  test: ^1.24.3
+  flutter_lints: ^5.0.0
+  test: ^1.24.9
 
 flutter:
   uses-material-design: true