Bump ruamel-yaml from 0.18.10 to 0.18.16

Bumps ruamel-yaml from 0.18.10 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] <support@github.com>

Author: dependabot[bot]

requirements_pinned.txt

@@ -7,7 +7,7 @@ numpy==2.0.1
 packaging==24.2
 pydantic==2.10.6
 pyglotaran==0.7.3
-ruamel-yaml==0.18.10
+ruamel-yaml==0.18.16
 tabulate==0.9.0
 xarray==2025.1.2
 # Fixes for pydata-sphinx-theme until a new upstream release is available