[geolocator_web]: Bump flutter_lints in /geolocator_web (#1509)

Bumps [flutter_lints](https://github.com/flutter/packages/tree/main/packages) from 3.0.2 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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

geolocator_web/pubspec.yaml

@@ -23,7 +23,7 @@ dev_dependencies:
   build_runner: ^2.4.8
   flutter_test:
     sdk: flutter
-  flutter_lints: ^3.0.1
+  flutter_lints: ">=3.0.1 <5.0.0"
   mockito: ^5.4.0