flake.lock: Update (#506)

Flake lock file updates:

• Updated input 'homebrew-cask':
    'github:homebrew/homebrew-cask/6f74dfb01c911360f6eebb3d5f9fae39b3afadff?narHash=sha256-BWZriTfWdfn6uQxHQkML8FNjWWv%2BJkeP1ch9uujM42Q%3D' (2026-06-06)
  → 'github:homebrew/homebrew-cask/3e31625ba6b8e7c806fadedc39f9c0701a9bd463?narHash=sha256-FqSLA2PWg3N46ZxS7mZxgf6Nbp4LGUgJNPtD4ebiokA%3D' (2026-06-07)
• Updated input 'homebrew-core':
    'github:homebrew/homebrew-core/c1599cc35573823428e3843ddc79eb1572406ac8?narHash=sha256-txVcGOlt%2BCTom/t1SnC%2BaPjGB3gP9mzC7pLDYwkN8/g%3D' (2026-06-06)
  → 'github:homebrew/homebrew-core/6a0a4d80be77a14baed953886a3623c91c975326?narHash=sha256-RTkiORPIrqwe/zCGBz3L/IbCqFaN2i6t6Ue5u3PcyTQ%3D' (2026-06-07)
• Updated input 'nix-darwin':
    'github:LnL7/nix-darwin/56c666e108467d87d13508936aade6d567f2a501?narHash=sha256-zXcwYQGCT6pzinK%2B1dBB2ekTVtfxGZAapb3Evdcu4fY%3D' (2026-05-17)
  → 'github:LnL7/nix-darwin/6a771120d607dcccb279a27d227650e324815c35?narHash=sha256-AkWx4Zt9pQbD/f82Z8N57%2Bd0HGLN/rV3gdMKJTpBPKs%3D' (2026-06-07)
• Updated input 'nix-index-database':
    'github:nix-community/nix-index-database/97df9dc0b7c924344b793a15c1e8e4522ebb854e?narHash=sha256-4axz3OBPTKa6LIkXV8n0lc63MQU%2Bet2CB5DGobEAi6k%3D' (2026-05-31)
  → 'github:nix-community/nix-index-database/1a2ea89c917781e88508d9fd2b507f2d2a0e173c?narHash=sha256-0BYqs8yKWkOz2Q7%2BSP18N5E5gmDKSo6LSxIVIa0wWes%3D' (2026-06-07)
• Updated input 'systems':
    'path:./flake.systems.nix'
  → 'path:./flake.systems.nix'

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: stackptr