flake.lock: Update

Flake lock file updates:

• Updated input 'agenix':
    'github:ryantm/agenix/4835b1dc898959d8547a871ef484930675cb47f1?narHash=sha256-NwmAFuDUO/PFcgaGGr4j3ozG9Pe5hZ/ogitWhY%2BD81k%3D' (2025-05-18)
  → 'github:ryantm/agenix/531beac616433bac6f9e2a19feb8e99a22a66baf?narHash=sha256-9P1FziAwl5%2B3edkfFcr5HeGtQUtrSdk/MksX39GieoA%3D' (2025-06-17)
• Updated input 'homebrew-cask':
    'github:homebrew/homebrew-cask/e7afeb29acb0493d2f9f4aec292938a3cdf5aae0?narHash=sha256-GhbWj4TcFG3beTbpNLml87o5BM7XeviVPTCS/L1AwG0%3D' (2025-06-17)
  → 'github:homebrew/homebrew-cask/30721bcdc7e1624d287f5140f13b64ceb302f226?narHash=sha256-vBhnfkC5mPy7lOhqxZW3a0%2BSP0lEtGUrBKaESU1xt88%3D' (2025-06-18)
• Updated input 'homebrew-core':
    'github:homebrew/homebrew-core/159aaa39c04aedfe067ce02f70033d3aa1b31c41?narHash=sha256-mbmwg2l0GYtGyLw/lJaQhUcQsKKUbZr8Dksn7TlfpTg%3D' (2025-06-17)
  → 'github:homebrew/homebrew-core/a193588cdb548eeb676a7e86f64e5b39b6a90261?narHash=sha256-%2BmclnPVgSFiJRfmaDCLwNP0wSGdqDIudPflvDVoxyt4%3D' (2025-06-18)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/ee930f9755f58096ac6e8ca94a1887e0534e2d81?narHash=sha256-Kh9K4taXbVuaLC0IL%2B9HcfvxsSUx8dPB5s5weJcc9pc%3D' (2025-06-13)
  → 'github:NixOS/nixpkgs/9e83b64f727c88a7711a2c463a7b16eedb69a84c?narHash=sha256-v263g4GbxXv87hMXMCpjkIxd/viIF7p3JpJrwgKdNiI%3D' (2025-06-17)
• Updated input 'systems':
    'path:./flake.systems.nix'
  → 'path:./flake.systems.nix'

Author: github-actions[bot]