chore(deps): bump lints from 4.0.0 to 5.1.1

Bumps [lints](https://github.com/dart-lang/core/tree/main/pkgs) from 4.0.0 to 5.1.1.
- [Release notes](https://github.com/dart-lang/core/releases)
- [Commits](https://github.com/dart-lang/core/commits/lints-v5.1.1/pkgs)

---
updated-dependencies:
- dependency-name: lints
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

pubspec.yaml

@@ -18,7 +18,7 @@ dev_dependencies:
   analyzer: 6.11.0
   build_runner: 2.4.9
   json_serializable: 6.8.0
-  lints: ">=3.0.0 <5.0.0"
+  lints: ">=3.0.0 <6.0.0"
   test: 1.25.5
   coverage: 1.8.0