chore(deps): update dependency lints to v4 (#11)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pubspec.yaml

@@ -11,5 +11,5 @@ dependencies:
   get_it: ^7.1.4
 
 dev_dependencies:
-  lints: ^3.0.0
+  lints: ^4.0.0
   test: ^1.16.0