chore(deps): bump the actions group with 2 updates (#6047)

Bumps the actions group with 2 updates: [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) and [scientific-python/upload-nightly-action](https://github.com/scientific-python/upload-nightly-action).


Updates `astral-sh/setup-uv` from 8.0.0 to 8.1.0
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](https://github.com/astral-sh/setup-uv/compare/v8.0.0...v8.1.0)

Updates `scientific-python/upload-nightly-action` from 0.6.3 to 0.6.4
- [Release notes](https://github.com/scientific-python/upload-nightly-action/releases)
- [Commits](https://github.com/scientific-python/upload-nightly-action/compare/5748273c71e2d8d3a61f3a11a16421c8954f9ecf...e76cfec8a4611fd02808a801b0ff5a7d7c1b2d99)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: 8.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: scientific-python/upload-nightly-action
  dependency-version: 0.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

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