Innovation: Glean metrics from RJIT

[fallwith]

With Ruby 3.3, new just-in-time compiler RJIT comes closer to being production ready. We ought to proactively track what metrics are available for it from within the Ruby VM (low hanging fruit) and what metrics might be useful that would require a wrapper for or patch to the C code itself.

[workato-integration]

https://new-relic.atlassian.net/browse/NR-183096