6.0 - Antlr 4.10?

[sebersole]

Antlr have just recently released 4.10 .

Generally we do not upgrade versions of dependencies after a release is Final; of course, 6.0 is at this point. However, I think this situation is worth considering breaking this -

1. 6.0 is still at its first stable release - 6.0.0
2. This upgrade should not affect users, aside from those also using Antlr. However, this has the flip concern also (see 4)
3. 4.10 supposedly has even better performance compared to earlier 4.x versions (which were already way better than the 2.x versions Hibernate used previously)
4. Other consumers (Quarkus for sure, others?) have moved to Antlr 4.10. So just like (2), not moving to 4.10 would lead to conflicts in those areas. Sure, we could shade/shadow Antlr (or Quarkus could) but that is always such a hack solution in most cases in my opinion.
5. I already have a PR testing 4.10 works fine with 6.0, which it does perfectly.
6. I also think (5) shows that users/consumers should be perfectly fine swapping Antlr 4.10 for previous 4.x versions if that becomes an issue for them.

All told, I plan to make this change unless someone has major reason to not.

[sebersole]

Upgrading to 4.10 as of 6.0.1