Update ruamel-yaml requirement from 0.17.39 to 0.18.2

Updates the requirements on [ruamel-yaml](https://sourceforge.net/p/ruamel-yaml/code/ci/default/tree) to permit the latest version.

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

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

Author: dependabot[bot]

pyproject.toml

@@ -15,7 +15,7 @@ version = "3.6.0"
 
 [tool.poetry.dependencies]
 python = "^3.8"
-"ruamel.yaml" = "0.17.39"
+"ruamel.yaml" = "0.18.2"
 
 [build-system]
 build-backend = "poetry.core.masonry.api"