Bump com.diffplug.spotless from 5.8.2 to 5.9.0
Bump com.diffplug.spotless from 5.8.2 to 5.9.0

Bumps com.diffplug.spotless from 5.8.2 to 5.9.0.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
TNG/ArchUnit,TNG/ArchUnit