chore: flutter 3.29.1 (#16730)

* update dependencies

* update flutter version reference

* update flutter version reference

* update AndroidManifest with flutter_web_auth_2

* chore: lock file flutter version

* fix: ios build

mobile/lib/widgets/common/app_bar_dialog/app_bar_server_info.dart

@@ -170,7 +170,7 @@ class AppBarServerInfo extends HookConsumerWidget {
                       child: Tooltip(
                         verticalOffset: 0,
                         decoration: BoxDecoration(
-                          color: context.primaryColor.withOpacity(0.9),
+                          color: context.primaryColor.withValues(alpha: 0.9),
                           borderRadius: BorderRadius.circular(10),
                         ),
                         textStyle: TextStyle(

mobile/lib/widgets/common/dropdown_search_menu.dart

@@ -146,7 +146,7 @@ class DropdownSearchMenu<T> extends HookWidget {
                                 ? Theme.of(context)
                                     .colorScheme
                                     .onSurface
-                                    .withOpacity(0.12)
+                                    .withValues(alpha: 0.12)
                                 : null,
                             padding: const EdgeInsets.all(16.0),
                             child: Text(

mobile/lib/widgets/common/immich_app_bar.dart

@@ -124,7 +124,7 @@ class ImmichAppBar extends ConsumerWidget implements PreferredSizeWidget {
             decoration: BoxDecoration(
               color: badgeBackground,
               border: Border.all(
-                color: context.colorScheme.outline.withOpacity(.3),
+                color: context.colorScheme.outline.withValues(alpha: .3),
               ),
               borderRadius: BorderRadius.circular(widgetSize / 2),
             ),

mobile/lib/widgets/common/immich_toast.dart

@@ -43,7 +43,7 @@ class ImmichToast {
           borderRadius: BorderRadius.circular(5.0),
           color: context.colorScheme.surfaceContainer,
           border: Border.all(
-            color: context.colorScheme.outline.withOpacity(.5),
+            color: context.colorScheme.outline.withValues(alpha: .5),
             width: 1,
           ),
         ),

mobile/lib/widgets/common/scaffold_error_body.dart

@@ -27,7 +27,8 @@ class ScaffoldErrorBody extends StatelessWidget {
               child: Icon(
                 Icons.error_outline,
                 size: 100,
-                color: context.themeData.iconTheme.color?.withOpacity(0.5),
+                color:
+                    context.themeData.iconTheme.color?.withValues(alpha: 0.5),
               ),
             ),
           ),