Update flake.lock

[erooke]

Automated changes by the update-flake-lock GitHub Action.

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/e1d501922fd7351da4200e1275dfcf5faaad1220?narHash=sha256-dARJQ8AJOv6U%2BsdRePkbcVyVbXJTi1tReCrkkOeusiA%3D' (2024-03-23)
  → 'github:nixos/nixpkgs/d6f6eb2a984f2ba9a366c31e4d36d65465683450?narHash=sha256-Yg5D5LhyAZvd3DZrQQfJAVK8K3TkUYKooFtH1ulM0mw%3D' (2024-04-27)

Running GitHub Actions on this PR

GitHub Actions will not run workflows on pull requests which are opened by a GitHub Action.

To run GitHub Actions workflows on this PR, run:

git branch -D update_flake_lock_action
git fetch origin
git checkout update_flake_lock_action
git commit --amend --no-edit
git push origin update_flake_lock_action --force