build(deps): bump nixpkgs-unstable from e9a7635 to 9f11f82

Bumps [nixpkgs-unstable](https://github.com/NixOS/nixpkgs) from `e9a7635` to `9f11f82`.
- [Commits](NixOS/nixpkgs@e9a7635...9f11f82)

---
updated-dependencies:
- dependency-name: nixpkgs-unstable
  dependency-version: 9f11f828c213641c2369a9f1fa31fe31557e3156
  dependency-type: direct:production
...

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Author: dependabot[bot]