Upgrade dependencies

pubspec.yaml

@@ -32,6 +32,8 @@ dependencies:
   flutter:
     sdk: flutter
 
+  flutter_localizations:
+    sdk: flutter
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
@@ -46,11 +48,12 @@ dependencies:
   timetable_view: ^0.3.0
   json_annotation: ^4.8.0
   localstore: ^1.2.3
-  intl: ^0.17.0
+  intl: ^0.18.0
   nextcloud:
     git:
       url: https://github.com/provokateurin/nextcloud-neon
       path: packages/nextcloud
+      ref: 68624545e6ef45e6c4d07bf76addade067479683
   flutter_launcher_icons: ^0.13.1
   pretty_json: ^2.0.0
   cached_network_image: ^3.2.3
@@ -69,6 +72,7 @@ dependencies:
   loader_overlay: ^2.2.0
   crypto: ^3.0.3
   package_info: ^2.0.2
+  syncfusion_flutter_calendar: ^21.2.4
 
 dependency_overrides:
   xml: ^6.2.2