Update phoonnx requirement in /requirements

Updates the requirements on [phoonnx](https://github.com/TigreGotico/phoonnx) to permit the latest version.
- [Release notes](https://github.com/TigreGotico/phoonnx/releases)
- [Changelog](https://github.com/TigreGotico/phoonnx/blob/dev/CHANGELOG.md)
- [Commits](TigreGotico/phoonnx@0.5.4...1.3.3)

---
updated-dependencies:
- dependency-name: phoonnx
  dependency-version: 1.3.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/extras.txt

@@ -4,7 +4,7 @@ ovos-dialog-normalizer-plugin>=0.0.1, <1.0.0
 # TTS Plugins
 ovos-tts-plugin-server>=0.0.2, <1.0.0
 ovos-tts-plugin-piper>=0.2.4, <1.0.0
-phoonnx>=0.5.4, <1.0.0
+phoonnx>=0.5.4, <2.0.0
 
 # Media Playback plugins
 ovos_audio_plugin_simple>=0.1.0, <1.0.0