flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/1ef2e671c3b0c19053962c07dbda38332dcebf26' (2024-01-15)
  → 'github:numtide/flake-utils/d465f4819400de7c8d874d50b982301f28a84605' (2024-02-28)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/b8b232ae7b8b144397fdb12d20f592e5e7c1a64d' (2024-01-31)
  → 'github:NixOS/nixpkgs/1536926ef5621b09bba54035ae2bb6d806d72ac8' (2024-02-29)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/7c54e08a689b53c8a1e5d70169f2ec9e2a68ffaf' (2024-01-28)
  → 'github:cachix/pre-commit-hooks.nix/5df5a70ad7575f6601d91f0efec95dd9bc619431' (2024-02-15)