Bump spotless-plugin-gradle from 3.15.0 to 3.16.0
Bump spotless-plugin-gradle from 3.15.0 to 3.16.0

Bumps [spotless-plugin-gradle](https://github.com/diffplug/plugin-gradle) from 3.15.0 to 3.16.0.
- [Release notes](https://github.com/diffplug/plugin-gradle/releases)
- [Commits](https://github.com/diffplug/plugin-gradle/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
Wreulicke/tiny-creator