flake.lock: Update (#9)

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/1ef2e671c3b0c19053962c07dbda38332dcebf26' (2024-01-15)
  → 'github:numtide/flake-utils/b1d9ab70662946ef0850d488da1c9019f3a9752a' (2024-03-11)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/ae5c332cbb5827f6b1f02572496b141021de335f' (2024-01-25)
  → 'github:nixos/nixpkgs/7bb2ccd8cdc44c91edba16c48d2c8f331fb3d856' (2024-04-25)

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

Author: SuperSandro2000