Bump plexus-container-default from 1.0-alpha-9 to 2.1.0
Bump plexus-container-default from 1.0-alpha-9 to 2.1.0

Bumps [plexus-container-default](https://github.com/codehaus-plexus/plexus-containers) from 1.0-alpha-9 to 2.1.0.
- [Release notes](https://github.com/codehaus-plexus/plexus-containers/releases)
- [Changelog](https://github.com/codehaus-plexus/plexus-containers/blob/master/ReleaseNotes.md)
- [Commits](https://github.com/codehaus-plexus/plexus-containers/commits/plexus-containers-2.1.0)

---
updated-dependencies:
- dependency-name: org.codehaus.plexus:plexus-container-default
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
mojohaus/cassandra-maven-plugin