Bump ruamel-yaml from 0.17.33 to 0.18.5 (#355)

Bumps [ruamel-yaml]() from 0.17.33 to 0.18.5.

---
updated-dependencies:
- dependency-name: ruamel-yaml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

setup.cfg

@@ -19,7 +19,7 @@ python_requires = >=3.8
 # reference for dependency spec: https://www.python.org/dev/peps/pep-0508/
 install_requires =
     importlib-resources>=1.4.0;python_version<"3.9"
-    ruamel.yaml==0.17.33
+    ruamel.yaml==0.18.5
     jsonschema>=4.18.0,<5.0
     regress>=0.4.0
     requests<3.0