Update ruamel-yaml requirement (#635)

Updates the requirements on ruamel-yaml to permit the latest version.

---
updated-dependencies:
- dependency-name: ruamel-yaml
  dependency-version: 0.19.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -33,7 +33,7 @@ classifiers = [
 requires-python = ">=3.9"
 dependencies = [
     'tomli>=2.0;python_version<"3.11"',
-    "ruamel.yaml>=0.18.10,<0.19.0",
+    "ruamel.yaml>=0.18.10,<0.20.0",
     "jsonschema>=4.18.0,<5.0",
     "regress>=2024.11.1",
     "requests<3.0",