Vivarium-core

* (227) Make `Process.default_state` parse ports schema recursively.
* Add 'update' key to '_move' hierarchy update method.

* (226) Drop Python 3.8 in favor of 3.11 and update dependencies.

* (225) Update registry imports to `store.py`.

* (224) Keep processes and steps in composite spec that is passed to `Engine`. Add `test_hierarchy_update` to keep
this working.

* (223) Update pint imports to support newest version
* (222) More breakdown fixes
* (220) Recalculate hashes for comparison of Units
* (219) Parallel queries. Ccreates helper methods to intelligently split large queries into smaller, approximately
equal chunks that can be run in parallel on separate OS processes.
* (218) MongoClient optimizations
* (217) Create Mongo index for simulation time.
* (215) Serialization fixes for BSON.
* (214) Optimize dictionary key removal.
* (213) Clean up documentation for Serializer API.

* (211) Fix a memory leak when removing parallel processes.
* (204) Implement a new serialization API based on PyMongo's
`TypeCodec` interface.