flake.lock: Update

Flake lock file updates:

• Updated input 'crane':
    'github:ipetkov/crane/9fa361afe873c740d5ca10ff526463d5807eab88?narHash=sha256-QNRlMxQTT3rdgsQb3QxljO14kE8xxdDXNJ/4jIm4u3Q%3D' (2025-01-04)
  → 'github:ipetkov/crane/25ca4c50039d91ad88cc0b8feacb9ad7f748dedf?narHash=sha256-tXL4qUlyYZEGOHUKUWjmmcvJjjLQ%2B4U38lPWSc8Cgdo%3D' (2025-04-19)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/a27871180d30ebee8aa6b11bf7fef8a52f024733?narHash=sha256-Q4HuFAvoKAIiTRZTUxJ0ZXeTC7lLfC9/dggGHNXNlCw%3D' (2025-01-03)
  → 'github:NixOS/nixpkgs/ebe4301cbd8f81c4f8d3244b3632338bbeb6d49c?narHash=sha256-5RJTdUHDmj12Qsv7XOhuospjAjATNiTMElplWnJE9Hs%3D' (2025-04-17)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/d40e15e076bcedc5bf5498a0f8ff5f18de4bf8c3?narHash=sha256-vbkoQTInunSjwx9DKebbCNBq9bim8CRj1VbS4eiABfg%3D' (2025-01-04)
  → 'github:oxalica/rust-overlay/50fefac8cdfd1587ac6d8678f6181e7d348201d2?narHash=sha256-9CtbfTTQWMoOkXejxc5D%2BK3z/39wkQQt2YfYJW50tnI%3D' (2025-04-19)

Author: github-actions[bot]