build(deps): bump ruamel-yaml from 0.16.2 to 0.16.5 (#270)

Bumps [ruamel-yaml](https://bitbucket.org/ruamel/yaml) from 0.16.2 to 0.16.5.
- [Changelog](https://bitbucket.org/ruamel/yaml/src/default/CHANGES)
- [Commits](https://bitbucket.org/ruamel/yaml/commits)

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

homeassistant_cli/package_constraints.txt

@@ -11,7 +11,7 @@ pip>=8.0.3
 pytz>=2018.07
 pyyaml>=4.2b1
 requests==2.22.0
-ruamel.yaml==0.16.2
+ruamel.yaml==0.16.5
 voluptuous==0.11.7
 voluptuous-serialize==2.2.0