flake.lock: Update

Flake lock file updates:

• Updated input 'agenix':
    'github:ryantm/agenix/d8c973fd228949736dedf61b7f8cc1ece3236792' (2023-07-24)
  → 'github:ryantm/agenix/daf42cb35b2dc614d1551e37f96406e4c4a2d3e4' (2023-10-08)
• Updated input 'bscpkgs':
    'git+https://git.sr.ht/~rodarima/bscpkgs?ref=refs/heads/master&rev=f605f8e5e4a1f392589f1ea2b9ffe2074f72a538' (2023-10-31)
  → 'git+https://git.sr.ht/~rodarima/bscpkgs?ref=refs/heads/master&rev=e148de50d68b3eeafc3389b331cf042075971c4b

' (2023-11-22)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e56990880811a451abd32515698c712788be5720' (2023-09-02)
  → 'github:NixOS/nixpkgs/e4ad989506ec7d71f7302cc3067abd82730a4beb' (2023-11-19)

Reviewed-by: Aleix Roca Nonell <aleix.rocanonell@bsc.es>