flake.lock: Update (#367)

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/44d0940ea560dee511026a53f0e2e2cde489b4d4' (2024-03-23)
  → 'github:NixOS/nixpkgs/d8fe5e6c92d0d190646fb9f1056741a229980089' (2024-03-29)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/e611897ddfdde3ed3eaac4758635d7177ff78673' (2024-03-20)
  → 'github:cachix/pre-commit-hooks.nix/c11e43aed6f17336c25cd120eac886b96c455731' (2024-03-30)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/6529a7975b893c17318cbdd351c771cb8d2c1dcb' (2024-03-23)
  → 'github:oxalica/rust-overlay/7cf3d11d06dcd12fb62ca2c039f3c5e25b53c5a7' (2024-03-30)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Rok Garbas <[email protected]>

Author: github-actions[bot]