Update ovos-config requirement in /requirements

Updates the requirements on [ovos-config](https://github.com/OpenVoiceOS/ovos-config) to permit the latest version.
- [Release notes](https://github.com/OpenVoiceOS/ovos-config/releases)
- [Changelog](https://github.com/OpenVoiceOS/ovos-config/blob/dev/CHANGELOG.md)
- [Commits](OpenVoiceOS/ovos-config@V0.0.13a7...V0.0.13a12)

---
updated-dependencies:
- dependency-name: ovos-config
  dependency-type: direct:production
...

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

requirements/requirements.txt

@@ -1,5 +1,5 @@
 ovos-utils~=0.0, >=0.0.38
 ovos-bus-client~=0.0, >=0.0.8
-ovos-config~=0.0,>=0.0.13a7
+ovos-config~=0.0
 ovos-plugin-manager~=0.0, >=0.0.25