Bump flutter_native_splash from 2.2.9 to 2.2.16

Bumps [flutter_native_splash](https://github.com/jonbhanson/flutter_native_splash) from 2.2.9 to 2.2.16.
- [Release notes](https://github.com/jonbhanson/flutter_native_splash/releases)
- [Changelog](https://github.com/jonbhanson/flutter_native_splash/blob/master/CHANGELOG.md)
- [Commits](jonbhanson/flutter_native_splash@v2.2.9...v2.2.16)

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

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