Bump uv2nix from 49dac8d to 5a836d3

Bumps [uv2nix](https://github.com/pyproject-nix/uv2nix) from `49dac8d` to `5a836d3`.
- [Commits](pyproject-nix/uv2nix@49dac8d...5a836d3)

---
updated-dependencies:
- dependency-name: uv2nix
  dependency-version: 5a836d395cbf5fc22670eb98dd4aa4fc4d406977
  dependency-type: direct:production
...

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Author: dependabot[bot]