message: changelog and restart evergreen
diff: # NEXT RELEASE
  ### Enhancements
  -* Update the to_json() function to properly encode UUIDs, dictionaries, and sets as MongoDB extended JSON.
  +* Update the to_json() function to properly encode UUIDs, mixed types, dictionaries, and sets as MongoDB extended JSON.
  * Remove type coercion on bool and ObjectId when doing queries.
  * Pass CreatePolicy to `unbox<T>` from the object accessor.
  