flake.lock: Update

Flake lock file updates:

• Updated input 'nixlib':
    'github:nix-community/nixpkgs.lib/1418bc28a52126761c02dd3d89b2d8ca0f521181?narHash=sha256-tmpqTSWVRJVhpvfSN9KXBvKEXplrwKnSZNAoNPf/S/s%3D' (2025-01-12)
  → 'github:nix-community/nixpkgs.lib/753176a8605439613fc6dc9911267b9f720a2615?narHash=sha256-qXoEFKOnznVvMAKezJhSXzRKsJ/LHLRY8NCw1mGhwrU%3D' (2025-06-15)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/2f9e2f85cb14a46410a1399aa9ea7ecf433e422e?narHash=sha256-FWlPMUzp0lkQBdhKlPqtQdqmp%2B/C%2B1MBiEytaYfrCTY%3D' (2025-01-12)
  → 'github:NixOS/nixpkgs/5395fb3ab3f97b9b7abca147249fa2e8ed27b192?narHash=sha256-Rc/ytpamXRf6z8UA2SGa4aaWxUXRbX2MAWIu2C8M%2Bok%3D' (2025-06-18)

Author: github-actions[bot]