[iOS] Update template icons (#107873)

Author: RockerFlower

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

@@ -29,7 +29,7 @@ import '../runner/flutter_command.dart';
 const Map<String, String> kManuallyPinnedDependencies = <String, String>{
   // Add pinned packages here. Please leave a comment explaining why.
   'flutter_gallery_assets': '1.0.2', // Tests depend on the exact version.
-  'flutter_template_images': '4.1.0', // Must always exactly match flutter_tools template.
+  'flutter_template_images': '4.2.0', // Must always exactly match flutter_tools template.
   'video_player': '2.2.11',
   // Could potentially break color scheme tests on upgrade,
   // so pin and manually update as needed.

packages/flutter_tools/pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
   coverage: 1.5.0
   crypto: 3.0.2
   file: 6.1.2
-  flutter_template_images: 4.1.0
+  flutter_template_images: 4.2.0
   html: 0.15.0
   http: 0.13.4
   intl: 0.17.0
@@ -103,4 +103,4 @@ dartdoc:
   # Exclude this package from the hosted API docs.
   nodoc: true
 
-# PUBSPEC CHECKSUM: b869
+# PUBSPEC CHECKSUM: 5d6a