build(nix): update dependencies

• Updated input 'fenix':
    'github:nix-community/fenix/7f1477d3cabc49c7f39faa89683fadb5f31d5e9f?narHash=sha256-/Fx2DHb11MA%2BnGwaoy3drrVTfALqvUm2pkHU8GNO%2B/Q%3D' (2024-12-29)
  → 'github:nix-community/fenix/120e688c881f2233f053dca5a5ddb8945d8ca5d7?narHash=sha256-hWGkpAWB59YWAOtBC6AE3DDnhMrBaqtiOaw1g%2B/mdLU%3D' (2024-12-31)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/dc6cea57a247bc5166b25609ec9d37c990f1417b?narHash=sha256-t1ZcoajdRbFqcae8nFQtdz9FC9g84nIdS/YIA0tkIYI%3D' (2024-12-28)
  → 'github:rust-lang/rust-analyzer/1c6b83852b0d3bc129a3558386663373f126337e?narHash=sha256-ekN1mLeHM9upiAXykoNm646ctsm0qcS8%2BG2SjGtXp5k%3D' (2024-12-30)
• Updated input 'nixpkgs-darwin':
    'github:nixos/nixpkgs/9f94733f93e4fe6e82f516efae007096e4ab5a21?narHash=sha256-Qoz0ow6jDGUIBHxduc7Y1cjYFS71tvEGJV5Src/mj98%3D' (2024-12-28)
  → 'github:nixos/nixpkgs/464fe85c27bd5761781a2773526ef9c1b0184dda?narHash=sha256-6jNmY7BaooArDpOhT8QbGxR0x8as43AJUoHfm1rJY1M%3D' (2024-12-30)
• Updated input 'nixpkgs-nixos':
    'github:nixos/nixpkgs/d49da4c08359e3c39c4e27c74ac7ac9b70085966?narHash=sha256-MgdXpeX2GuJbtlBrH9EdsUeWl/yXEubyvxM1G%2ByO4Ak%3D' (2024-12-27)
  → 'github:nixos/nixpkgs/3ffbbdbac0566a0977da3d2657b89cbcfe9a173b?narHash=sha256-As8I%2BebItDKtboWgDXYZSIjGlKeqiLBvjxsQHUmAf1Q%3D' (2024-12-30)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/915d7c42a706f9191696d1b779cf1ea1769d34a8?narHash=sha256-IysonaW/cItfmMuvg43flOqMgS4N0C6yKJobCa09XOQ%3D' (2024-12-29)
  → 'github:oxalica/rust-overlay/d199142e84bfaae476ffb4e09a70879d7918784d?narHash=sha256-rsjojgfPUf9tWuMXuuo2KAIoUZ49XGZQJSjFGOO8Cq4%3D' (2024-12-31)

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