Update flake.lock (#59)

flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/5d67ea6b4b63378b9c13be21e2ec9d1afc921713?narHash=sha256-Pj39hSoUA86ZePPF/UXiYHHM7hMIkios8TYG29kQT4g%3D' (2024-12-11)
  → 'github:NixOS/nixpkgs/88195a94f390381c6afcdaa933c2f6ff93959cb4?narHash=sha256-0q9NGQySwDQc7RhAV2ukfnu7Gxa5/ybJ2ANT8DQrQrs%3D' (2024-12-29)
• Updated input 'playit-agent-source':
    'github:playit-cloud/playit-agent/e6a7b4e10e6214edf5b00349a107e18b5b8d10f5?narHash=sha256-zmiv007/am9KnxpauelNNrfdJuJSqmDspLKqP6pCjIs%3D' (2024-09-27)
  → 'github:playit-cloud/playit-agent/87d6cd430c7a329b49b5d7bed817738145b4adeb?narHash=sha256-ED6sXofCG68P0GJpwvqQl3I30zpV%2B%2BlL7jI5sKRMhl0%3D' (2024-12-22)

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