Upgraded dependencies and SDK

pubspec.yaml

@@ -43,7 +43,7 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
   flutter_native_splash: ^2.2.14
-  flutter_login: ^4.1.0
+  flutter_login: ^5.0.0
   bubble: ^1.2.1
   http: ^1.1.0
   shared_preferences: ^2.0.15
@@ -56,7 +56,7 @@ dependencies:
     git:
       url: https://github.com/provokateurin/nextcloud-neon
       path: packages/nextcloud
-      ref: 8ed58773dfe7b7c4106b38457561014dbebf580a
+      ref: 3683491a94670393e46cbc83ad85b994f7df7481
   flutter_launcher_icons: ^0.13.1
   pretty_json: ^2.0.0
   cached_network_image: ^3.2.3
@@ -71,21 +71,20 @@ dependencies:
   persistent_bottom_nav_bar: ^5.0.2
   badges: ^3.0.2
   image_picker: ^1.0.0
-  file_picker: ^5.2.11
-  loader_overlay: ^2.2.0
+  file_picker: ^6.1.1
+  loader_overlay: ^4.0.0
   crypto: ^3.0.3
   package_info: ^2.0.2
-  syncfusion_flutter_calendar: ^22.2.9
+  syncfusion_flutter_calendar: ^24.1.44
   async: ^2.11.0
   animated_digit: ^3.2.1
-  syncfusion_flutter_pdfviewer: ^22.2.9
+  syncfusion_flutter_pdfviewer: ^24.1.44
   photo_view: ^0.14.0
-  uuid: ^3.0.7
+  uuid: ^4.2.2
   firebase_messaging: ^14.6.5
   firebase_core: ^2.15.0
   firebase_in_app_messaging: ^0.7.3+4
-  flutter_local_notifications: ^15.1.0+1
-  fluttertoast: ^8.2.2
+  flutter_local_notifications: ^16.3.0
   fast_rsa: ^3.6.1
   share_plus: ^7.1.0
   flutter_split_view: ^0.1.2
@@ -106,7 +105,7 @@ dev_dependencies:
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.1
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec