build(deps): update core package reference

- Update core package reference in pubspec.yaml and pubspec.lock
- Change ref from 064c4387b3f7df835565c41c918dc2d80dd2f49a to f409be2590785b4f35e260b0e15a65e5bdfe9ee0

Author: fulleni

pubspec.lock

@@ -177,8 +177,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "064c4387b3f7df835565c41c918dc2d80dd2f49a"
-      resolved-ref: "064c4387b3f7df835565c41c918dc2d80dd2f49a"
+      ref: f409be2590785b4f35e260b0e15a65e5bdfe9ee0
+      resolved-ref: f409be2590785b4f35e260b0e15a65e5bdfe9ee0
       url: "https://github.com/flutter-news-app-full-source-code/core.git"
     source: git
     version: "1.3.1"

pubspec.yaml

@@ -142,7 +142,7 @@ dependency_overrides:
   core:
     git:
       url: https://github.com/flutter-news-app-full-source-code/core.git
-      ref: 064c4387b3f7df835565c41c918dc2d80dd2f49a
+      ref: f409be2590785b4f35e260b0e15a65e5bdfe9ee0
   http_client:
     git:
       url: https://github.com/flutter-news-app-full-source-code/http-client.git