Bump weaviate-client from 4.5.1 to 4.5.4 in /python

Bumps [weaviate-client](https://github.com/weaviate/weaviate-python-client) from 4.5.1 to 4.5.4.
- [Release notes](https://github.com/weaviate/weaviate-python-client/releases)
- [Changelog](https://github.com/weaviate/weaviate-python-client/blob/main/docs/changelog.rst)
- [Commits](weaviate/weaviate-python-client@v4.5.1...v4.5.4)

---
updated-dependencies:
- dependency-name: weaviate-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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