Bump ruamel-yaml from 0.18.5 to 0.18.6

Bumps [ruamel-yaml]() from 0.18.5 to 0.18.6.

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,5 +1,5 @@
 Flask==3.0.0
-ruamel.yaml==0.18.5
+ruamel.yaml==0.18.6
 monty==2024.1.26
 pymongo==4.6.0
 plotly==5.18.0