Update ruamel-yaml requirement from <0.18,>=0.16.0 to >=0.16.0,<0.19 (#2066)

Updates the requirements on [ruamel-yaml]() to permit the latest version.

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

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

Author: dependabot[bot]

pyproject.toml

@@ -6,7 +6,7 @@ requires = [
     "types-requests",
     "types-psutil",
     "importlib_resources>=1.4;python_version<'3.9'",
-    "ruamel.yaml>=0.16.0,<0.18",
+    "ruamel.yaml>=0.16.0,<0.19",
     "schema-salad>=8.7,<9",
     "cwl-utils>=0.32",
     "toml",