flake.lock: Update
Flake lock file updates:
• Updated input 'git-hooks-nix':
'github:cachix/git-hooks.nix/f092770' (2026-01-01)
→ 'github:cachix/git-hooks.nix/a1ef738' (2026-01-22)
• Updated input 'nixpkgs':
'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2511.905755%2Brev-2c3e5ec5df46d3aeee2a1da0bfedd74e21f4bf3a/019bbd9a-e3d9-7ccf-8dc2-3b9a70d0cdf8/source.tar.gz' (2026-01-13)
→ 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2511.906709%2Brev-fa83fd837f3098e3e678e6cf017b2b36102c7211/019c084c-b4eb-7e65-90ad-f4fc053d9dee/source.tar.gz' (2026-01-28)
• Updated input 'treefmt-nix':
'github:numtide/treefmt-nix/e96d59d' (2026-01-11)
→ 'github:numtide/treefmt-nix/28b19c5' (2026-01-29)