fix: Update intl dependency from transitive to direct main in pubspec.lock and pubspec.yaml

Author: berkaycatak

example/pubspec.lock

@@ -101,7 +101,7 @@ packages:
     source: hosted
     version: "15.1.3"
   intl:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: intl
       sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"

example/pubspec.yaml

@@ -10,11 +10,12 @@ environment:
 dependencies:
   go_router: ^15.1.2
   cupertino_icons: ^1.0.8
+  intl: ^0.20.2
   adaptive_platform_ui:
     path: ../
   flutter:
     sdk: flutter
-  # cupertino: ^0.0.1 
+  # cupertino: ^0.0.1
   flutter_localizations:
     sdk: flutter