[geolocator_linux]: Bump flutter_lints from 4.0.0 to 5.0.0 in /geolocator_linux (#1579)

* [geolocator_linux]: Bump flutter_lints in /geolocator_linux

Bumps [flutter_lints](https://github.com/flutter/packages/tree/main/packages) from 4.0.0 to 5.0.0.
- [Release notes](https://github.com/flutter/packages/releases)
- [Commits](https://github.com/flutter/packages/commits/flutter_lints-v5.0.0/packages)

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

Signed-off-by: dependabot[bot] <support@github.com>

* Bump flutter_lints version and fix build warning

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: tim Hoogstrate <tim566@hotmail.com>

Author: dependabot[bot]

geolocator_linux/CHANGELOG.md

@@ -1,6 +1,10 @@
+## NEXT
+
+- Updates dependency on flutter_lints to version 5.0.0
+
 ## 0.2.3
 
-- Updates dependency on flutter_lints to version 5.0.0.
+- Updates dependency on flutter_lints to version 5.0.0. Later added: of example project.
 
 ## 0.2.2
 

geolocator_linux/lib/geolocator_linux.dart

@@ -1,3 +1 @@
-library geolocator_linux;
-
 export 'src/geolocator_linux.dart';

geolocator_linux/pubspec.yaml

@@ -27,7 +27,7 @@ dependencies:
 
 dev_dependencies:
   build_runner: ^2.1.8
-  flutter_lints: ">=3.0.1 <5.0.0"
+  flutter_lints: ^5.0.0
   flutter_test:
     sdk: flutter
   mockito: ^5.0.17