flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/0e74ca98a74bc7270d28838369593635a5db3260' (2024-02-21)
  → 'github:nixos/nixpkgs/cbc4211f0afffe6dfd2478a62615dd5175a13f9a' (2024-02-23)
• Updated input 'spectrum':
    'git+https://spectrum-os.org/git/spectrum?ref=refs/heads/main&rev=6d0e73864d28794cdbd26ab7b37259ab0e1e044c' (2024-02-19)
  → 'git+https://spectrum-os.org/git/spectrum?ref=refs/heads/main&rev=6d686439568acb41d92bceb8ad44276ffe1b3ca9' (2024-02-23)

Author: astro