deps(gui-ubuntupro): bump flutter_lints from 2.0.3 to 3.0.0 in /gui/p…

…ackages/ubuntupro (#348)

gui/packages/ubuntupro/lib/pages/widgets/page_widgets.dart

@@ -20,6 +20,7 @@
 /// consistent app/title bar with minimal code repetition. Should we adopt
 /// something else other than the [YaruWindowTitleBar] in the future,
 /// there will be less places to change.
+library;
 
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';

gui/packages/ubuntupro/pubspec.lock

@@ -248,10 +248,10 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: a25a15ebbdfc33ab1cd26c63a6ee519df92338a9c10f122adda92938253bef04
+      sha256: ad76540d21c066228ee3f9d1dad64a9f7e46530e8bb7c85011a88bc1fd874bc5
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.3"
+    version: "3.0.0"
   flutter_localizations:
     dependency: "direct main"
     description: flutter
@@ -401,10 +401,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
+      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "3.0.0"
   logging:
     dependency: transitive
     description:

gui/packages/ubuntupro/pubspec.yaml

@@ -64,7 +64,7 @@ dev_dependencies:
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
-  flutter_lints: ^2.0.2
+  flutter_lints: ^3.0.0
   flutter_test:
     sdk: flutter
   integration_test: