Bump pub packages to newest version

pubspec.yaml

@@ -30,7 +30,7 @@ environment:
 # versions available, run `flutter pub outdated`.
 
 dependency_overrides:
-  xml: ^6.2.2
+  #xml: ^6.2.2
 
 dependencies:
   flutter:
@@ -48,8 +48,7 @@ dependencies:
   http: ^0.13.5
   shared_preferences: ^2.0.15
   provider: ^6.0.4
-  jiffy: ^5.0.0
-  timetable_view: ^0.3.0
+  jiffy: ^6.1.0
   json_annotation: ^4.8.0
   localstore: ^1.2.3
   intl: ^0.18.0
@@ -57,12 +56,12 @@ dependencies:
     git:
       url: https://github.com/provokateurin/nextcloud-neon
       path: packages/nextcloud
-      ref: dc54d2f0c2b5641f3a81a7af8e585482111ce1fc
+      #ref: dc54d2f0c2b5641f3a81a7af8e585482111ce1fc
   flutter_launcher_icons: ^0.13.1
   pretty_json: ^2.0.0
   cached_network_image: ^3.2.3
   url_launcher: ^6.1.10
-  flutter_linkify: ^5.0.2
+  flutter_linkify: ^6.0.0
   filesize: ^2.0.1
   path_provider: ^2.0.13
   better_open_file: ^3.6.4