chore: flutter update

[Soap-141]

GitHub Issue: #

Proposed Changes

• Bug fix
• Feature
• Code style update (formatting)
• Refactoring (no functional changes, no api changes)
• Build or CI related changes
• Documentation content changes
• Other, please describe:

Description

• Update packages and Flutter
• Target Android API 36
• iOS migrated to scene-based architecture with FlutterSceneDelegate

Impact on version

• Major
  • The template structure was changed.
• Minor
  • New functionalities were added.
• Patch
  • A bug in behavior was fixed.
  • Documentation was changed.

PR Checklist

Always applicable

No matter your changes, these checks always apply.

• Your conventional commits are aligned with the Impact on version section.
• Updated CHANGELOG.md.
  • Use the latest Major.Minor.X header if you do a Patch change.
  • Create a new Major.Minor.X header if you do a Minor or Major change.
  • If you create a new header, it aligns with the Impact on version section and matches what is generated in the build pipeline.
• Documentation files were updated according with the changes.
  • Update README.md and src/cli/CLI.md if you made changes to templating.
  • Update AzurePipelines.md and src/app/README.md if you made changes to pipelines.
  • Update Diagnostics.md if you made changes to diagnostic tools.
  • Update Architecture.md and its diagrams if you made architecture decisions or if you introduced new recipes.
  • ...and so forth: Make sure you update the documentation files associated to the recipes you changed. Review the topics by looking at the content of the doc/ folder.
• Images about the template are referenced from the wiki and added as images in this git.
• TODO comments are hints for next steps for users of the template and not planned work.

Contextual

Based on your changes these checks may not apply.

• Automated tests for the changes have been added/updated.
• Tested on all relevant platforms

Other information

Internal Issue (If applicable):

[Copilot]

Pull request overview

This PR updates the Flutter framework, Dart SDK, and associated dependencies to their latest versions. The update includes platform-specific configuration changes for iOS, Android, and macOS to align with Flutter's modern architecture requirements.

Key Changes

• Dart SDK updated from >=3.8.0 to ^3.10.4
• Multiple package dependencies updated (analyzer, custom_lint, retrofit, Firebase packages, etc.)
• iOS migrated to scene-based architecture with FlutterSceneDelegate
• macOS deployment target raised from 10.14 to 10.15
• Android Gradle Plugin updated from 8.7.3 to 8.9.1 and Gradle from 8.9 to 8.11.1

Reviewed changes

Copilot reviewed 11 out of 13 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/mvvm_lints/pubspec.yaml	Updated custom_lint_builder, analyzer, and analyzer_plugin to latest major versions
src/app/pubspec.yaml	Updated SDK constraint and multiple dependencies including retrofit, bugsee_flutter, and retrofit_generator
src/app/pubspec.lock	Reflects all transitive dependency updates, including protobuf major version jump to 6.0.0
src/app/macos/Runner/AppDelegate.swift	Replaced @NSApplicationMain with @main, added secure restorable state support
src/app/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme	Enabled GPU validation mode for debugging
src/app/macos/Runner.xcodeproj/project.pbxproj	Updated macOS deployment target from 10.14 to 10.15
src/app/macos/Podfile	Updated platform target to match deployment target (10.15)
src/app/ios/Runner/Info.plist	Replaced UIMainStoryboardFile with UISceneStoryboardFile, added UIApplicationSceneManifest for scene support
src/app/ios/Runner/AppDelegate.swift	Implemented FlutterImplicitEngineDelegate, moved plugin registration to scene delegate callback
src/app/ios/Podfile.lock	Updated Firebase and Bugsee pod versions to match Flutter plugin updates
src/app/android/settings.gradle	Updated Android Gradle Plugin from 8.7.3 to 8.9.1
src/app/android/gradle/wrapper/gradle-wrapper.properties	Updated Gradle wrapper from 8.9-bin to 8.11.1-all
src/app/android/app/build.gradle	Updated targetSdkVersion from 35 to 36

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