Update to Vagrant 2.2.16.
Resolves: rhbz#1872307
- Enhance .spec file.
- Fix compatibility with Ruby 3.0.
- Add rexml dependency, as it's no longer a default gem with Ruby 3.0.
- Apply net-ssh patches apply regardless of net-ssh version.
- Add bcond_with for ed25519, and also respective (Build)Requires,
as the dependency is monkey-patched for vagrant use.