http_multi_server: bump lints dep (#1435)

Author: kevmoo

pkgs/http_multi_server/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
   async: ^2.5.0
 
 dev_dependencies:
-  dart_flutter_team_lints: ^2.0.0
+  dart_flutter_team_lints: ^3.0.0
   http: ^1.0.0
   shelf: ^1.4.0
-  test: ^1.16.0
+  test: ^1.16.6