flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/205b12d8b7cd4802fbcb8e8ef6a0f1408781a4f9?narHash=sha256-4pDvzqnegAfRkPwO3wmwBhVi/Sye1mzps0zHWYnP88c%3D' (2024-12-04)
  → 'github:hercules-ci/flake-parts/b905f6fc23a9051a6e1b741e1438dbfc0634c6de?narHash=sha256-%2Bhu54pAoLDEZT9pjHlqL9DNzWz0NbUn8NEAHP7PQPzU%3D' (2025-01-06)
• Updated input 'flake-parts/nixpkgs-lib':
    'https://github.com/NixOS/nixpkgs/archive/5487e69da40cbd611ab2cadee0b4637225f7cfae.tar.gz?narHash=sha256-1qRH7uAUsyQI7R1Uwl4T%2BXvdNv778H0Nb5njNrqvylY%3D' (2024-12-01)
  → 'https://github.com/NixOS/nixpkgs/archive/e9b51731911566bbf7e4895475a87fe06961de0b.tar.gz?narHash=sha256-CewEm1o2eVAnoqb6Ml%2BQi9Gg/EfNAxbRx1lANGVyoLI%3D' (2025-01-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/4989a246d7a390a859852baddb1013f825435cee?narHash=sha256-kMBQ5PRiFLagltK0sH%2B08aiNt3zGERC2297iB6vrvlU%3D' (2024-12-17)
  → 'github:NixOS/nixpkgs/2f9e2f85cb14a46410a1399aa9ea7ecf433e422e?narHash=sha256-FWlPMUzp0lkQBdhKlPqtQdqmp%2B/C%2B1MBiEytaYfrCTY%3D' (2025-01-12)