Changes from flutter pub upgrade --major-versions --tighten.

pubspec.yaml

@@ -10,10 +10,10 @@ dependencies:
   flutter:
     sdk: flutter
   geolocator: ^14.1.1
-  shared_preferences: ^2.3.0
+  shared_preferences: ^2.5.5
   flutter_local_notifications: ^22.3.1
   timezone: ^0.11.1
-  http: ^1.2.0
+  http: ^1.6.0
   alarm: ^5.13.2
 
 dev_dependencies: