chore(deps): update dependency lints to v6

Author: renovate[bot]

pubspec.yaml

@@ -24,7 +24,7 @@ dependencies:
   stack_trace: ^1.10.0
 
 dev_dependencies:
-  lints: ^1.0.1
+  lints: ^6.0.0
   test: ^1.17.12
   collection: ^1.16.0