Update dependency lints to v6

renovate[bot] · web-flow · commit e9f5be17a69c · 2025-10-27T11:49:50.000Z
diff --git a/pubspec.yaml b/pubspec.yaml
@@ -22,5 +22,5 @@ dependencies:
   meta: ^1.12.0
 
 dev_dependencies:
-  lints: ^5.0.0
+  lints: 6.0.0
   test: ^1.16.0
