switch to lint package

app/analysis_options.yaml

@@ -1 +1,35 @@
-include: package:flutter_lints/flutter.yaml
+# This file configures the static analysis results for your project (errors,
+# warnings, and lints).
+#
+# This enables the 'recommended' set of lints from `package:lints`.
+# This set helps identify many issues that may lead to problems when running
+# or consuming Dart code, and enforces writing Dart using a single, idiomatic
+# style and format.
+#
+# If you want a smaller set of lints you can change this to specify
+# 'package:lints/core.yaml'. These are just the most critical lints
+# (the recommended set includes the core lints).
+# The core lints are also what is used by pub.dev for scoring packages.
+
+include: package:lint/strict.yaml
+# Uncomment the following section to specify additional rules.
+
+linter:
+  rules:
+    - unawaited_futures
+    - discarded_futures
+    - collection_methods_unrelated_type
+
+analyzer:
+  # plugins:
+  #   - custom_lint
+  exclude:
+    - "**.g.dart"
+    - "**.swagger.dart"
+    - "**.freezed.dart"
+    - "**.chopper.dart"
+# For more information about the core and recommended set of lints, see
+# https://dart.dev/go/core-lints
+
+# For additional information about configuring this file, see
+# https://dart.dev/guides/language/analysis-options

app/pubspec.yaml

@@ -11,9 +11,7 @@ dependencies:
     sdk: flutter
 
 dev_dependencies:
-  flutter_test:
-    sdk: flutter
-  flutter_lints: ^3.0.0
+  lint: ^2.3.0
 
 flutter:
   uses-material-design: true