Refactor Shorebird CLI to support configurable URLs and improve test coverage

- Updated AAR releaser test to use ShorebirdProcess.defaultFlutterStorageBaseUrl.
- Changed macOS releaser test to reference a new troubleshooting URL.
- Enhanced shorebird_yaml_test with deserialization for AOT patch metadata.
- Modified network_checker_test to check self-hosted URLs from ShorebirdEnv.
- Added tests for artifact paths in shorebird_artifacts_test.
- Updated shorebird_cli_command_runner_test to reflect new repository URL.
- Improved shorebird_env_test with additional tests for shorebirdRoot and engine revision fallback.
- Adjusted shorebird_flutter_test to use environment variables for Flutter Git URL.
- Updated shorebird_process_test to utilize default Flutter storage URL.
- Enhanced shorebird_validator_test to link to the default hosted URL.
- Updated shorebird_web_console_test to use the configured hosted URL.
- Refactored code_push_client to use default hosted URL for API requests.
- Updated README and generation scripts for the code_push_protocol package to reflect new OpenAPI spec source.
- Modified shared.sh to allow configurable Flutter repository and storage URLs.

Signed-off-by: Tony <tonylu@tony-cloud.com>

packages/shorebird_code_push_client/lib/src/code_push_client.dart

@@ -95,7 +95,10 @@ class CodePushClient {
          ...standardHeaders,
          ...?customHeaders,
        }),
-       hostedUri = hostedUri ?? Uri.https('api.shorebird.dev');
+       hostedUri = hostedUri ?? defaultHostedUri;
+
+  /// Default URL for the open self-hosted Shorebird server.
+  static final Uri defaultHostedUri = Uri.parse('http://localhost:8080');
 
   /// The standard headers applied to all requests.
   static const standardHeaders = <String, String>{'x-version': packageVersion};

packages/shorebird_code_push_client/pubspec.yaml

@@ -1,7 +1,7 @@
 name: shorebird_code_push_client
 description: Library which allows Dart applications to interact with the Shorebird CodePush API
 version: 0.9.0+1
-repository: https://github.com/shorebirdtech/shorebird
+repository: https://git.tonycloud.org/flutter/shorebird-workspace
 resolution: workspace
 
 publish_to: none

packages/shorebird_code_push_client/test/src/code_push_client_test.dart

@@ -57,6 +57,10 @@ void main() {
       expect(CodePushClient(), isNotNull);
     });
 
+    test('defaults to the open self-hosted server URL', () {
+      expect(CodePushClient().hostedUri, CodePushClient.defaultHostedUri);
+    });
+
     group('CodePushException', () {
       test('toString is correct', () {
         const exceptionWithDetails = CodePushException(