build(deps): bump nixpkgs from 3497aa5 to 34ab990

Bumps [nixpkgs](https://github.com/NixOS/nixpkgs) from `3497aa5` to `34ab990`.
- [Commits](https://github.com/NixOS/nixpkgs/commits)

---
updated-dependencies:
- dependency-name: nixpkgs
  dependency-version: 34ab99075ac4f7e40cf037eef32cb1c360bb85e9
  dependency-type: direct:production
...

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Author: dependabot[bot]