flake.lock: Update (#5054)
Flake lock file updates:
• Updated input 'nixpkgs':
'github:NixOS/nixpkgs/9b19f5e77dd906cb52dade0b7bd280339d2a1f3d' (2024-01-13)
→ 'github:NixOS/nixpkgs/bbe7d8f876fbbe7c959c90ba2ae2852220573261' (2024-01-19)
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
