Update ovos-plugin-manager requirement (#31)

Updates the requirements on [ovos-plugin-manager](https://github.com/OpenVoiceOS/OVOS-plugin-manager) to permit the latest version.
- [Release notes](https://github.com/OpenVoiceOS/OVOS-plugin-manager/releases)
- [Changelog](https://github.com/OpenVoiceOS/ovos-plugin-manager/blob/dev/CHANGELOG.md)
- [Commits](OpenVoiceOS/ovos-plugin-manager@0.5.0...1.0.3)

---
updated-dependencies:
- dependency-name: ovos-plugin-manager
  dependency-version: 1.0.3
  dependency-type: direct:production
...

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Author: dependabot[bot]

extras.txt

@@ -1,3 +1,3 @@
-ovos-plugin-manager>=0.5.0,<1.0.0
+ovos-plugin-manager>=0.5.0,<2.0.0
 ovos-utils>=0.3.5,<1.0.0
 langcodes