chore: update core git ref in pubspec.yaml

- Change core git ref from e66e076 to b1110a4
- This update ensures the project uses the latest version of the core dependency

Author: fulleni

pubspec.lock

@@ -185,8 +185,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: e66e076572bd326e50e9d5286ef5059ff658ed65
-      resolved-ref: e66e076572bd326e50e9d5286ef5059ff658ed65
+      ref: b1110a45182e5b4439b24e1a6a18bdeb5e048fb7
+      resolved-ref: b1110a45182e5b4439b24e1a6a18bdeb5e048fb7
       url: "https://github.com/flutter-news-app-full-source-code/core.git"
     source: git
     version: "1.3.1"

pubspec.yaml

@@ -147,7 +147,7 @@ dependency_overrides:
   core:
     git:
       url: https://github.com/flutter-news-app-full-source-code/core.git
-      ref: e66e076572bd326e50e9d5286ef5059ff658ed65
+      ref: b1110a45182e5b4439b24e1a6a18bdeb5e048fb7
   http_client:
     git:
       url: https://github.com/flutter-news-app-full-source-code/http-client.git