flake.lock: Update

Flake lock file updates:

• Updated input 'crane':
    'github:ipetkov/crane/7d8ec2c71771937ab99790b45e6d9b93d15d9379?narHash=sha256-4AFsUZ0kl6MXSm4BaQgItD0VGlEKR3iq7gIaL7TjBvc%3D' (2025-12-20)
  → 'github:ipetkov/crane/01bc1d404a51a0a07e9d8759cd50a7903e218c82?narHash=sha256-8qxEFpj4dVmIuPn9j9z6NTbU%2BhrcGjBOvaxTzre5HmM%3D' (2025-12-26)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/c6245e83d836d0433170a16eb185cefe0572f8b8?narHash=sha256-G/WVghka6c4bAzMhTwT2vjLccg/awmHkdKSd2JrycLc%3D' (2025-12-18)
  → 'github:nixos/nixpkgs/3e2499d5539c16d0d173ba53552a4ff8547f4539?narHash=sha256-QEhk0eXgyIqTpJ/ehZKg9IKS7EtlWxF3N7DXy42zPfU%3D' (2025-12-25)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/2a6db3fc1c27ae77f9caa553d7609b223cb770b5?narHash=sha256-N0KUOJSIBw2fFF2ACZhwYX2e0EGaHBVPlJh7bnxcGE4%3D' (2025-12-19)
  → 'github:oxalica/rust-overlay/a18efe8a9112175e43397cf870fb6bc1ca480548?narHash=sha256-ZjLiHCHgoH2maP5ZAKn0anrHymbjGOS5/PZqfJUK8Ik%3D' (2025-12-26)

Author: littlenano