chore: update flake.lock

[mrcjkb]

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

Flake lock file updates:

• Updated input 'git-hooks':
    'github:cachix/git-hooks.nix/580633fa3fe5fc0379905986543fd7495481913d?narHash=sha256-8Psjt%2BTWvE4thRKktJsXfR6PA/fWWsZ04DVaY6PUhr4%3D' (2026-04-07)
  → 'github:cachix/git-hooks.nix/3cfd774b0a530725a077e17354fbdb87ea1c4aad?narHash=sha256-PcRvlWayisPSjd0UcRQbhG8Oqw78AcPE6x872cPRHN8%3D' (2026-04-21)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/b86751bc4085f48661017fa226dee99fab6c651b?narHash=sha256-a8BYi3mzoJ/AcJP8UldOx8emoPRLeWqALZWu4ZvjPXw%3D' (2026-04-16)
  → 'github:NixOS/nixpkgs/01fbdeef22b76df85ea168fbfe1bfd9e63681b30?narHash=sha256-GMSVw35Q%2B294GlrTUKlx087E31z7KurReQ1YHSKp5iw%3D' (2026-04-23)

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