Bump ruamel-yaml from 0.17.19 to 0.17.20

Bumps [ruamel-yaml](https://sourceforge.net/p/ruamel-yaml/code/ci/default/tree) from 0.17.19 to 0.17.20.

---
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

@@ -3,7 +3,7 @@ tmdbv3api==1.7.6
 arrapi==1.3.0
 lxml==4.7.1
 requests==2.26.0
-ruamel.yaml==0.17.19
+ruamel.yaml==0.17.20
 schedule==1.1.0
 retrying==1.3.3
 pathvalidate==2.5.0