chore: fix lints

packages/shorebird_code_push_protocol/test/src/messages/create_patch/create_patch_request_test.dart

@@ -18,7 +18,6 @@ void main() {
             operatingSystem: 'linux',
             operatingSystemVersion: '1.0.0',
             shorebirdVersion: '1.2.3',
-            xcodeVersion: null,
           ),
         ).toJson(),
       );

packages/shorebird_code_push_protocol/test/src/messages/update_release/update_release_request_test.dart

@@ -10,7 +10,6 @@ void main() {
         metadata: const UpdateReleaseMetadata(
           releasePlatform: ReleasePlatform.ios,
           flutterVersionOverride: null,
-          generatedApks: null,
           environment: BuildEnvironmentMetadata(
             flutterRevision: '853d13d954df3b6e9c2f07b72062f33c52a9a64b',
             operatingSystem: 'macos',

packages/shorebird_code_push_protocol/test/src/models/create_patch_metadata_test.dart

@@ -144,7 +144,6 @@ void main() {
           hasAssetChanges: false,
           usedIgnoreNativeChangesFlag: false,
           hasNativeChanges: false,
-          linkPercentage: null,
           environment: BuildEnvironmentMetadata(
             flutterRevision: '853d13d954df3b6e9c2f07b72062f33c52a9a64b',
             operatingSystem: 'macos',
@@ -159,7 +158,6 @@ void main() {
           hasAssetChanges: false,
           usedIgnoreNativeChangesFlag: false,
           hasNativeChanges: false,
-          linkPercentage: null,
           environment: BuildEnvironmentMetadata(
             flutterRevision: '853d13d954df3b6e9c2f07b72062f33c52a9a64b',
             operatingSystem: 'macos',