fix: Bumps versions

Author: FilledStacks

example/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
     sdk: flutter
   stacked: ^3.4.0
   stacked_services: ^1.1.0
-  firebase_core: ^2.15.0
+  firebase_core: ^3.4.0
   stacked_firebase_auth:
     path: ../
 

pubspec.yaml

@@ -13,8 +13,8 @@ dependencies:
     sdk: flutter
 
   # Firebase
-  firebase_core: ^3.0.0
-  firebase_auth: ^4.20.0
+  firebase_core: ^3.4.0
+  firebase_auth: ^5.2.0
   firebase_auth_platform_interface: ^7.0.0
 
   # Firebase Authentications