Log Message:
py-ruamel-yaml: update to 0.17.31.

[0, 17, 31]: 2023-05-31
  - added tag.setter on `ScalarEvent` and on `Node`, that takes either
    a `Tag` instance, or a str
    (reported by `Sorin Sbarnea \ 
<https://sourceforge.net/u/ssbarnea/profile/>`__)

[0, 17, 30]: 2023-05-30
  - fix issue 467, caused by Tag instances not being hashable (reported by
    `Douglas Raillard
    <https://bitbucket.org/%7Bcf052d92-a278-4339-9aa8-de41923bb556%7D/>`__)

[0, 17, 29]: 2023-05-30
  - changed the internals of the tag property from a string to a class which allows
    for preservation of the original handle and suffix. This should
    result in better results using documents with %TAG directives, as well
    as preserving URI escapes in tag suffixes.