Bump plexus-utils from 1.5.6 to 3.0.16 in /gshell-support/gshell-plexus

Bumps [plexus-utils](https://github.com/sonatype/plexus-utils) from 1.5.6 to 3.0.16.
- [Release notes](https://github.com/sonatype/plexus-utils/releases)
- [Commits](https://github.com/sonatype/plexus-utils/compare/plexus-utils-1.5.6...plexus-utils-3.0.16)

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

Signed-off-by: dependabot[bot] <support@github.com>
1 file changed