Fixes #34212 - pin rdoc < 6.4 to avoid psych dependency
rdoc 6.4+ requires Psych > 4, which breaks with Rails 6.0.
So we need to upgrade Rails and then resolve what needs resolving.Pinning rdoc for now.
Fixes #34212 - pin rdoc < 6.4 to avoid psych dependency
rdoc 6.4+ requires Psych > 4, which breaks with Rails 6.0.
So we need to upgrade Rails and then resolve what needs resolving.
Pinning rdoc for now.