Update dependencies

pubspec.lock

@@ -107,6 +107,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   path:
     dependency: transitive
     description:
@@ -115,6 +123,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.8.3"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      sha256: cdbe7530b12ecd9eb455bdaa2fcb8d4dad22e80b8afb4798b41479d5ce26847f
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.5"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -186,3 +202,4 @@ packages:
     version: "0.1.4-beta"
 sdks:
   dart: ">=3.1.0-185.0.dev <4.0.0"
+  flutter: ">=1.16.0"

pubspec.yaml

@@ -36,6 +36,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
+  provider: ^6.0.5
 
 dev_dependencies:
   flutter_test:

test/chat_viewmodel_test.dart

@@ -1,4 +1,3 @@
-import 'package:auto_gpt_flutter_client/models/chat.dart';
 import 'package:auto_gpt_flutter_client/models/message_type.dart';
 import 'package:auto_gpt_flutter_client/viewmodels/chat_viewmodel.dart';
 import 'package:flutter_test/flutter_test.dart';