Upgrade Flutter packages and fix breaking changes for Riverpod 3.0

Major package upgrades:
- Riverpod 2.x → 3.0.3 (breaking changes)
- flutter_appauth 7.0.0 → 11.0.0
- go_router 14.0.0 → 17.0.0
- permission_handler 11.3.0 → 12.0.1
- flutter_lints 5.0.0 → 6.0.0
- animate_do 3.1.2 → 4.2.0
- Plus 41 transitive dependency updates

Breaking changes fixed:

Riverpod 3.0 migration:
- Replace StateProvider with NotifierProvider pattern
- Update .valueOrNull to proper async value handling with .future
- Create LanguageNotifier and ThemeModeNotifier classes
- Fix all provider async value access patterns

Google Maps Navigation API updates:
- Rename GoogleMapsNavigationViewController to GoogleNavigationViewController
- Update Waypoint to NavigationWaypoint.withLatLngTarget
- Migrate controller methods to static GoogleMapsNavigator methods
- Update event listener types and callbacks

Localization system fixes:
- Update l10n.yaml synthetic-package configuration
- Fix import paths from flutter_gen to package imports
- Add errorTitle translation key for both en/fr
- Remove unnecessary null-aware operators (AppLocalizations is non-nullable)
- Regenerate localization files

iOS/macOS configuration:
- Update CocoaPods dependencies (AppAuth 1.7.5 → 2.0.0)
- Create missing Profile.xcconfig files for both platforms
- Sync Podfile.lock files with updated dependencies

Code quality:
- Fix all analyzer errors (0 errors remaining)
- Resolve deprecated API usage warnings
- Update async/await patterns for better error handling

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

lib/l10n/app_localizations.dart

@@ -416,6 +416,12 @@ abstract class AppLocalizations {
   /// **'OK'**
   String get ok;
 
+  /// No description provided for @errorTitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Error'**
+  String get errorTitle;
+
   /// No description provided for @requestPermission.
   ///
   /// In en, this message translates to: