Update @ionic-native/splash-screen requirement to 4.7.0 in /readmyage
Update @ionic-native/splash-screen requirement to 4.7.0 in /readmyage

Updates the requirements on [@ionic-native/splash-screen](https://github.com/ionic-team/ionic-native) to permit the latest version.
- [Release notes](https://github.com/ionic-team/ionic-native/releases)
- [Changelog](https://github.com/ionic-team/ionic-native/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ionic-team/ionic-native/commits/v4.7.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
meyskens/readmyage,meyskens/readmyage,meyskens/readmyage,meyskens/readmyage,meyskens/readmyage,meyskens/readmyage