Update sdk constraint range and update runners (#1706)

experimental/federated_plugin/federated_plugin/example/lib/main.dart

@@ -10,7 +10,7 @@ void main() {
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -24,7 +24,7 @@ class MyApp extends StatelessWidget {
 /// Demonstrates how to use the getBatteryLevel method from federated_plugin to retrieve
 /// current battery level of device.
 class HomePage extends StatefulWidget {
-  const HomePage({Key? key}) : super(key: key);
+  const HomePage({super.key});
 
   @override
   State<HomePage> createState() => _HomePageState();

experimental/federated_plugin/federated_plugin/example/pubspec.yaml

@@ -4,7 +4,7 @@ description: Demonstrates how to use the federated_plugin plugin.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 
 environment:
-  sdk: ">=2.15.1 <3.0.0"
+  sdk: '>=2.19.5 <4.0.0'
 
 dependencies:
   flutter:

experimental/federated_plugin/federated_plugin/pubspec.yaml

@@ -5,7 +5,7 @@ version: 0.0.1
 publish_to: "none"
 
 environment:
-  sdk: ">=2.17.0-0 <3.0.0"
+  sdk: '>=2.19.5 <4.0.0'
 
 dependencies:
   flutter:

experimental/federated_plugin/federated_plugin_macos/pubspec.yaml

@@ -4,7 +4,7 @@ version: 0.0.1
 homepage:
 
 environment:
-  sdk: ">=2.17.0-0 <3.0.0"
+  sdk: '>=2.19.5 <4.0.0'
 
 dependencies:
   flutter:

experimental/federated_plugin/federated_plugin_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ version: 0.0.1
 homepage:
 
 environment:
-  sdk: ">=2.17.0-0 <3.0.0"
+  sdk: '>=2.19.5 <4.0.0'
 
 dependencies:
   flutter:

experimental/federated_plugin/federated_plugin_web/pubspec.yaml

@@ -4,7 +4,7 @@ version: 0.0.1
 publish_to: none
 
 environment:
-  sdk: ">=2.17.0-0 <3.0.0"
+  sdk: '>=2.19.5 <4.0.0'
 
 dependencies:
   flutter:

experimental/federated_plugin/federated_plugin_windows/pubspec.yaml

@@ -4,7 +4,7 @@ version: 0.0.1
 homepage:
 
 environment:
-  sdk: ">=2.17.0-0 <3.0.0"
+  sdk: '>=2.19.5 <4.0.0'
 
 dependencies:
   flutter: