Bump ruamel-yaml from 0.18.15 to 0.18.16

Bumps ruamel-yaml from 0.18.15 to 0.18.16.

---
updated-dependencies:
- dependency-name: ruamel-yaml
  dependency-version: 0.18.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ eventlet>=0.34.3; python_version >= "3.12"
 networkx>=1.9
 pbr>=1.9
 prometheus_client==0.23.1
-ruamel.yaml==0.18.15
+ruamel.yaml==0.18.16
 os_ken==3.1.0
 beka==0.4.2
 pytricia>=1.0.0