Update the auto-inserted cupertino_icons dependency version which fixes linter warnings (#17229)

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

@@ -7,7 +7,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^0.1.0
+  cupertino_icons: ^0.1.2
 
 dev_dependencies:
   flutter_test:
@@ -61,5 +61,5 @@ flutter:
   #       - asset: fonts/TrajanPro_Bold.ttf
   #         weight: 700
   #
-  # For details regarding fonts from package dependencies, 
+  # For details regarding fonts from package dependencies,
   # see https://flutter.io/custom-fonts/#from-packages