chore(deps): bump flutter_lints in /packages/scanner/zxing (#4613)

Bumps [flutter_lints](https://github.com/flutter/packages/tree/main/packages) from 2.0.2 to 2.0.3.
- [Release notes](https://github.com/flutter/packages/releases)
- [Commits](https://github.com/flutter/packages/commits/flutter_lints-v2.0.3/packages)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

packages/scanner/zxing/pubspec.yaml

@@ -18,6 +18,6 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: 2.0.2
+  flutter_lints: 2.0.3
   openfoodfacts_flutter_lints:
     git: https://github.com/openfoodfacts/openfoodfacts_flutter_lints.git