v0.8.6, collecting updates since Nov 2023

What's Changed

• Replace self._pit_samps NaNs with 0. by @drewoldag in #202
• Issue/204/is qp file by @eacharles in #205
• Adding metric wrapper classes by @drewoldag in #203
• Moving metrics from rail_base to qp by @drewoldag in #210
• Added metric factory by @eacharles in #209
• Issue/211/two metric fixes by @eacharles in #212
• delinting, black by @eacharles in #214
• Use t-digest to parallelize point to point metrics by @drewoldag in #216

Full Changelog: v0.8.5...v0.8.6