Use single quotes for dartSdkVersionBounds (#101270)

* Use single quotes for `dartSdkVersionBounds`

* Update update_packages_test.dart

* Update test_project.dart

* Update tests_project.dart

* Update compile_error_project.dart

* Update hot_reload_with_asset.dart

* Update break_on_framework_exceptions_test.dart

* Update basic_project.dart

packages/flutter_tools/lib/src/commands/create.dart

@@ -291,7 +291,7 @@ class CreateCommand extends CreateBase {
       windows: featureFlags.isWindowsEnabled && platforms.contains('windows'),
       windowsUwp: featureFlags.isWindowsUwpEnabled && platforms.contains('winuwp'),
       // Enable null safety everywhere.
-      dartSdkVersionBounds: '">=$dartSdk <3.0.0"',
+      dartSdkVersionBounds: "'>=$dartSdk <3.0.0'",
       implementationTests: boolArg('implementation-tests'),
       agpVersion: gradle.templateAndroidGradlePluginVersion,
       kotlinVersion: gradle.templateKotlinGradlePluginVersion,

packages/flutter_tools/test/general.shard/update_packages_test.dart

@@ -19,7 +19,7 @@ description: A framework for writing Flutter applications
 homepage: http://flutter.dev
 
 environment:
-  sdk: ">=2.2.2 <3.0.0"
+  sdk: '>=2.2.2 <3.0.0'
 
 dependencies:
   # To update these, use "flutter update-packages --force-upgrade".

packages/flutter_tools/test/integration.shard/break_on_framework_exceptions_test.dart

@@ -731,7 +731,7 @@ class TestProject extends Project {
   final String pubspec = '''
     name: test
     environment:
-      sdk: ">=2.12.0-0 <3.0.0"
+      sdk: '>=2.12.0-0 <3.0.0'
 
     dependencies:
       flutter:

packages/flutter_tools/test/integration.shard/test_data/basic_project.dart

@@ -10,7 +10,7 @@ class BasicProject extends Project {
   final String pubspec = '''
   name: test
   environment:
-    sdk: ">=2.12.0-0 <3.0.0"
+    sdk: '>=2.12.0-0 <3.0.0'
 
   dependencies:
     flutter:
@@ -63,7 +63,7 @@ class BasicProjectThatThrows extends Project {
   final String pubspec = '''
   name: test
   environment:
-    sdk: ">=2.12.0-0 <3.0.0"
+    sdk: '>=2.12.0-0 <3.0.0'
 
   dependencies:
     flutter:
@@ -120,7 +120,7 @@ class BasicProjectWithTimelineTraces extends Project {
   final String pubspec = '''
   name: test
   environment:
-    sdk: ">=2.12.0-0 <3.0.0"
+    sdk: '>=2.12.0-0 <3.0.0'
 
   dependencies:
     flutter:
@@ -169,7 +169,7 @@ class BasicProjectWithFlutterGen extends Project {
   final String pubspec = '''
   name: test
   environment:
-    sdk: ">=2.12.0-0 <3.0.0"
+    sdk: '>=2.12.0-0 <3.0.0'
 
   dependencies:
     flutter:
@@ -196,7 +196,7 @@ class BasicProjectWithUnaryMain extends Project {
   final String pubspec = '''
   name: test
   environment:
-    sdk: ">=2.12.0-0 <3.0.0"
+    sdk: '>=2.12.0-0 <3.0.0'
   dependencies:
     flutter:
       sdk: flutter

packages/flutter_tools/test/integration.shard/test_data/compile_error_project.dart

@@ -10,7 +10,7 @@ class CompileErrorProject extends Project {
   final String pubspec = '''
   name: test
   environment:
-    sdk: ">=2.12.0-0 <3.0.0"
+    sdk: '>=2.12.0-0 <3.0.0'
 
   dependencies:
     flutter:

packages/flutter_tools/test/integration.shard/test_data/hot_reload_with_asset.dart

@@ -10,7 +10,7 @@ class HotReloadWithAssetProject extends Project {
   final String pubspec = '''
 name: test
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: '>=2.12.0-0 <3.0.0'
 
 dependencies:
   flutter:

packages/flutter_tools/test/integration.shard/test_data/test_project.dart

@@ -10,7 +10,7 @@ class TestProject extends Project {
   final String pubspec = '''
   name: test
   environment:
-    sdk: ">=2.12.0-0 <3.0.0"
+    sdk: '>=2.12.0-0 <3.0.0'
 
   dependencies:
     flutter:

packages/flutter_tools/test/integration.shard/test_data/tests_project.dart

@@ -13,7 +13,7 @@ class TestsProject extends Project {
   final String pubspec = '''
   name: test
   environment:
-    sdk: ">=2.12.0-0 <3.0.0"
+    sdk: '>=2.12.0-0 <3.0.0'
 
   dependencies:
     flutter: