flake.inputs: automatic update

Flake lock file updates:

• Updated input 'nix-index-database':
    'github:Mic92/nix-index-database/5fce10c871bab6d7d5ac9e5e7efbb3a2783f5259?narHash=sha256-GJDtsxz2/zw6g/Nrp4XVWBS5IaZ7ZUkuvxPOBEDe7pg%3D' (2024-10-07)
  → 'github:Mic92/nix-index-database/5c54c33aa04df5dd4b0984b7eb861d1981009b22?narHash=sha256-grMdAd4KSU6uPqsfLzA1B/3pb9GtGI9o8qb0qFzEU/Y%3D' (2024-10-13)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/ecbc1ca8ffd6aea8372ad16be9ebbb39889e55b6?narHash=sha256-PbDWAIjKJdlVg%2BqQRhzdSor04bAPApDqIv2DofTyynk%3D' (2024-10-06)
  → 'github:NixOS/nixpkgs/a3f9ad65a0bf298ed5847629a57808b97e6e8077?narHash=sha256-u%2BrxA79a0lyhG%2Bu%2BoPBRtTDtzz8kvkc9a6SWSt9ekVc%3D' (2024-10-12)
• Updated input 'unstable':
    'github:NixOS/nixpkgs/50b3bd3fed0442bcbf7f58355e990da84af1749d?narHash=sha256-p/gvyVf24WFs0bted3c71uSQk%2B%2BZOYRWbg3bjRoePu4%3D' (2024-10-06)
  → 'github:NixOS/nixpkgs/b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221?narHash=sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU%3D' (2024-10-10)