Bump javaparser-core from 3.19.0 to 3.20.0
Bump javaparser-core from 3.19.0 to 3.20.0

Bumps [javaparser-core](https://github.com/javaparser/javaparser) from 3.19.0 to 3.20.0.
- [Release notes](https://github.com/javaparser/javaparser/releases)
- [Changelog](https://github.com/javaparser/javaparser/blob/master/changelog.md)
- [Commits](https://github.com/javaparser/javaparser/compare/javaparser-parent-3.19.0...javaparser-parent-3.20.0)

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