fix: update example dependencies

Author: cybex-dev

example/pubspec.yaml

@@ -12,13 +12,13 @@ dependencies:
   flutter:
     sdk: flutter
 
-  firebase_core: ^2.9.0
-  firebase_messaging: ^14.4.0
-  cloud_functions: ^4.1.0
-  firebase_auth: ^4.4.0
-  http: ^0.13.5
+  firebase_core: ^3.11.0
+  firebase_messaging: ^15.2.2
+  cloud_functions: ^5.3.2
+  firebase_auth: ^5.4.2
+  http: ^1.3.0
   # this is not necessary, only for use in the example web app
-  firebase_analytics: ^10.7.0
+  firebase_analytics: ^11.4.2
 
   twilio_voice:
     # When depending on this package from a real application you should use: