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

@@ -12,7 +12,7 @@ dependencies:
   oauth2: ^2.0.2
 
 dev_dependencies:
-  lints: ">=3.0.0 <5.0.0"
+  lints: ">=3.0.0 <6.0.0"
   test: ^1.24.6
   build_runner: ^2.4.6
   json_serializable: ">=6.7.1 <7.0.0"