chore(deps): Bump numpy from 1.26.4 to 2.0.0 in /backend/python/openvoice (#2823)

chore(deps): Bump numpy in /backend/python/openvoice

Bumps [numpy](https://github.com/numpy/numpy) from 1.26.4 to 2.0.0.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](https://github.com/numpy/numpy/compare/v1.26.4...v2.0.0)

---
updated-dependencies:
- dependency-name: numpy
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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