Log Message:
py-ruamel-yaml: updated to 0.18.6

0.18.6
- fixed an issue with dataclass loading when the fields were collections (bug found
  as a result of a question by \ 
[FibroMyAlgebra](https://stackoverflow.com/users/6855070/fibromyalgebra)
  on [StackOverflow](https://stackoverflow.com/a/77485786/1307905))
- fixed an issue loading dataclasses with `InitVar` fields when `from __future__ \ 
import
  annotations` was used to delay evaluation of typing.