Bump plexus-classworlds from 2.5.2 to 2.6.0
Bump plexus-classworlds from 2.5.2 to 2.6.0

Bumps [plexus-classworlds](https://github.com/codehaus-plexus/plexus-classworlds) from 2.5.2 to 2.6.0.
- [Release notes](https://github.com/codehaus-plexus/plexus-classworlds/releases)
- [Commits](https://github.com/codehaus-plexus/plexus-classworlds/compare/plexus-classworlds-2.5.2...plexus-classworlds-2.6.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
davidB/scala-maven-plugin,davidB/scala-maven-plugin