flake.lock: Update

Flake lock file updates:

• Updated input 'crane':
    'github:ipetkov/crane/6849911446e18e520970cc6b7a691e64ee90d649' (2023-11-09)
  → 'github:ipetkov/crane/2a5136f14a9ac93d9d370d64a36026c5de3ae8a4' (2023-12-20)
• Updated input 'flake-utils':
    'github:numtide/flake-utils/ff7b65b44d01cf9ba6a71320833626af21126384' (2023-09-12)
  → 'github:numtide/flake-utils/4022d587cbbfd70fe950c1e2083a02621806a725' (2023-12-04)
• Updated input 'nix-input':
    'github:nixos/nix/1d86bb4f70ee5c2d06810f21bf7cd057ed46712c' (2023-11-17)
  → 'github:nixos/nix/ee439734e924eb337a869ff2e48aff8b989198bc' (2023-12-22)
• Added input 'nix-input/libgit2':
    'github:libgit2/libgit2/45fd9ed7ae1a9b74b957ef4f337bc3c8b3df01b5' (2023-10-18)
• Removed input 'nix-input/lowdown-src'
• Updated input 'nix-input/nixpkgs':
    'github:NixOS/nixpkgs/9eb24edd6a0027fed010ccfe300a9734d029983c' (2023-11-01)
  → 'github:NixOS/nixpkgs/36c4ac09e9bebcec1fa7b7539cddb0c9e837409c' (2023-11-30)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/bf744fe90419885eefced41b3e5ae442d732712d' (2023-11-14)
  → 'github:NixOS/nixpkgs/54aac082a4d9bb5bbc5c4e899603abfb76a3f6d6' (2023-12-19)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/e558068cba67b23b4fbc5537173dbb43748a17e8' (2023-11-15)
  → 'github:cachix/pre-commit-hooks.nix/007a45d064c1c32d04e1b8a0de5ef00984c419bc' (2023-12-13)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/e3ebc177291f5de627d6dfbac817b4a661b15d1c' (2023-11-17)
  → 'github:oxalica/rust-overlay/fc77c8b416b1537522d30c710baaaaebf769f816' (2023-12-23)
• Updated input 'topiary':
    'github:tweag/topiary/79b93527d9bd59533f9a79fe490567963193fafd' (2023-10-23)
  → 'github:tweag/topiary/4d48c236a1fd25824384241b42239ffff8cb3a04' (2023-12-21)