This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [astral-sh/uv](https://github.com/astral-sh/uv) | patch | `0.8.3` -> `0.8.4` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

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### Release Notes

<details>
<summary>astral-sh/uv (astral-sh/uv)</summary>

### [`v0.8.4`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#084)

[Compare Source](astral-sh/uv@0.8.3...0.8.4)

##### Enhancements

- Improve styling of warning cause chains  ([#&#8203;14934](astral-sh/uv#14934))
- Extend wheel filtering to Android tags ([#&#8203;14977](astral-sh/uv#14977))
- Perform wheel lockfile filtering based on platform and OS intersection ([#&#8203;14976](astral-sh/uv#14976))
- Clarify messaging when a new resolution needs to be performed ([#&#8203;14938](astral-sh/uv#14938))

##### Preview features

- Add support for extending package's build dependencies with `extra-build-dependencies` ([#&#8203;14735](astral-sh/uv#14735))
- Split preview mode into separate feature flags ([#&#8203;14823](astral-sh/uv#14823))

##### Configuration

- Add support for package specific `exclude-newer` dates via `exclude-newer-package` ([#&#8203;14489](astral-sh/uv#14489))

##### Bug fixes

- Avoid invalidating lockfile when path or workspace dependencies define explicit indexes ([#&#8203;14876](astral-sh/uv#14876))
- Copy entrypoints that have a shebang that differs in `python` vs `python3` ([#&#8203;14970](astral-sh/uv#14970))
- Fix incorrect file permissions in wheel packages ([#&#8203;14930](astral-sh/uv#14930))
- Update validation for `environments` and `required-environments` in `uv.toml` ([#&#8203;14905](astral-sh/uv#14905))

##### Documentation

- Show `uv_build` in projects documentation ([#&#8203;14968](astral-sh/uv#14968))
- Add `UV_` prefix to installer environment variables ([#&#8203;14964](astral-sh/uv#14964))
- Un-hide `uv` from `--build-backend` options ([#&#8203;14939](astral-sh/uv#14939))
- Update documentation for preview flags ([#&#8203;14902](astral-sh/uv#14902))

</details>

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### Configuration

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