Bump exec-maven-plugin from 1.6.0 to 3.0.0
Bump exec-maven-plugin from 1.6.0 to 3.0.0

Bumps [exec-maven-plugin](https://github.com/mojohaus/exec-maven-plugin) from 1.6.0 to 3.0.0.
- [Release notes](https://github.com/mojohaus/exec-maven-plugin/releases)
- [Commits](https://github.com/mojohaus/exec-maven-plugin/compare/exec-maven-plugin-1.6.0...exec-maven-plugin-3.0.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
wolfgangmm/exist,ambs/exist,ambs/exist,eXist-db/exist,lcahlander/exist,eXist-db/exist,adamretter/exist,lcahlander/exist,ambs/exist,windauer/exist,dizzzz/exist,adamretter/exist,windauer/exist,dizzzz/exist,dizzzz/exist,windauer/exist,wolfgangmm/exist,adamretter/exist,lcahlander/exist,ambs/exist,windauer/exist,dizzzz/exist,dizzzz/exist,wolfgangmm/exist,windauer/exist,ambs/exist,adamretter/exist,eXist-db/exist,eXist-db/exist,lcahlander/exist,ambs/exist,adamretter/exist,lcahlander/exist,lcahlander/exist,wolfgangmm/exist,wolfgangmm/exist,eXist-db/exist,wolfgangmm/exist,adamretter/exist,eXist-db/exist,windauer/exist,dizzzz/exist