Bump flutter_lints from 3.0.1 to 4.0.0

Bumps [flutter_lints](https://github.com/flutter/packages/tree/main/packages) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/flutter/packages/releases)
- [Commits](https://github.com/flutter/packages/commits/flutter_lints-v4.0.0/packages)

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

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

pubspec.lock

@@ -58,10 +58,10 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: e2a421b7e59244faef694ba7b30562e489c2b489866e505074eb005cd7060db7
+      sha256: "3f41d009ba7172d5ff9be5f6e6e6abb4300e263aab8866d2a0842ed2a70f8f0c"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "4.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -95,10 +95,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "4.0.0"
   matcher:
     dependency: transitive
     description: