flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/96dee79b178d295b716052feca3ee46abc085abe?narHash=sha256-e6PJI4Bd%2BQdpukHyd5F/fQY8fRUiNfCwvCRU8WXMSk8%3D' (2025-01-21)
  → 'github:nix-community/home-manager/4481a16d1ac5bff4a77c608cefe08c9b9efe840d?narHash=sha256-rk/cmrvq3In0TegW9qaAxw%2B5YpJhRWt2p74/6JStrw0%3D' (2025-01-21)
• Updated input 'nixpkgs-master':
    'github:nixos/nixpkgs/cdf3f06ff6d90824b57287814b709d6f2b276fef?narHash=sha256-4MX/hEaYbYNEhjRnPtRO0hTAcEH3aojQn%2BY7mZLn8p4%3D' (2025-01-21)
  → 'github:nixos/nixpkgs/a213bf831ea4791803dc4d0d01a812acdb09f126?narHash=sha256-llr3ljhrr20%2Bnumz4GKsaNfWrzQpJgzY2ORZoQpPzgs%3D' (2025-01-21)
• Updated input 'nur':
    'github:nix-community/NUR/6ecf8885b1c0372effe9b54b63b130184a511e18?narHash=sha256-pKM3abCf2XCNY/yBqCCSAta1OsEMGcfnekUSSsVwMiM%3D' (2025-01-21)
  → 'github:nix-community/NUR/a0804977b00e4a19502bfcc0bc675c57be5c0470?narHash=sha256-UQlPh/NzkycsPLocEcaKNsLrB%2BoWp0U91VMMcsLR4pw%3D' (2025-01-21)