Bump lints from 2.1.1 to 6.0.0

Bumps [lints](https://github.com/dart-lang/core/tree/main/pkgs) from 2.1.1 to 6.0.0.
- [Release notes](https://github.com/dart-lang/core/releases)
- [Commits](https://github.com/dart-lang/core/commits/lints-v6.0.0/pkgs)

---
updated-dependencies:
- dependency-name: lints
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pubspec.lock

@@ -165,10 +165,10 @@ packages:
     dependency: "direct dev"
     description:
       name: lints
-      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
+      sha256: a5e2b223cb7c9c8efdc663ef484fdd95bb243bff242ef5b13e26883547fce9a0
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "6.0.0"
   logging:
     dependency: transitive
     description:

pubspec.yaml

@@ -13,5 +13,5 @@ dependencies:
 
 dev_dependencies:
   dart_dev: ^4.0.0
-  lints: ^2.0.0
+  lints: ">=2.0.0 <7.0.0"
   test: ^1.21.0