Bump flutter_lints to 3.0 (#136841)

Follow-up to https://github.com/flutter/packages/pull/5177

packages/flutter_tools/templates/app/pubspec.yaml.tmpl

@@ -14,7 +14,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
 
 flutter:
   uses-material-design: true
@@ -80,7 +80,7 @@ dev_dependencies:
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

packages/flutter_tools/templates/module/common/pubspec.yaml.tmpl

@@ -31,7 +31,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

packages/flutter_tools/templates/package/pubspec.yaml.tmpl

@@ -14,7 +14,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

packages/flutter_tools/templates/package_ffi/pubspec.yaml.tmpl

@@ -15,5 +15,5 @@ dependencies:
 dev_dependencies:
   ffi: ^2.0.2
   ffigen: ^9.0.0
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
   test: ^1.21.0

packages/flutter_tools/templates/plugin_shared/pubspec.yaml.tmpl

@@ -23,7 +23,7 @@ dev_dependencies:
 {{/withFfi}}
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

packages/flutter_tools/templates/skeleton/pubspec.yaml.tmpl

@@ -19,7 +19,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
 
 flutter:
   uses-material-design: true

packages/flutter_tools/test/commands.shard/permeable/data/to_analyze.dart.test

@@ -17,7 +17,7 @@ class NoConstructor extends StatelessWidget {
 
 class NoConstConstructor extends StatelessWidget {
   // LINT: Missing const constructor generates prefer_const_constructors_in_immutables warning.
-  NoConstConstructor({Key? key, required this.name }) : super(key: key);
+  NoConstConstructor({super.key, required this.name });
 
   final String name;