Update iOS deployment target to 13.0, enhance Flutter integration, and improve tender submission flow

- Changed the iOS deployment target from 12.0 to 13.0 in Podfile and project settings.
- Updated AppDelegate to support implicit Flutter engine initialization.
- Modified Info.plist to include scene configuration for multiple scenes.
- Enhanced CompletionOfDocumentsRouteData to accept a tenderId parameter.
- Implemented tender submission functionality in TenderDetailViewModel and updated UI components to reflect loading states and success/error messages.
- Added new strings for submission success and error notifications.

lib/views/profile/widgets/main_data_tab.dart

@@ -98,6 +98,15 @@ class MainDataTab extends StatelessWidget {
               ),
             ),
           ),
+          SizedBox(height: 24.0.h()),
+          Text(
+            ProfileStrings.appVersion,
+            style: TextStyle(
+              fontSize: 12.0.sp(),
+              fontWeight: FontWeight.w400,
+              color: AppColors.grey70,
+            ),
+          ),
         ],
       ),
     );