flake.lock: Update (#802)

Flake lock file updates:

• Updated input 'nixos-infra':
    'github:NixOS/infra/ca11a27e5609a152b5e9d9293c4ea99e9234d9e6?narHash=sha256-%2BlOSTU8TjJZvNpcqANrTYarIdrMo4eUTYW1/CLWJ0No%3D' (2024-06-15)
  → 'github:NixOS/infra/e890dcb72509b86c1285817a24b54c62ee0e43da?narHash=sha256-U%2BgvR9PpPkVo3o/JrgdYmdg4lWFxF8u5tNp2HkTGrUQ%3D' (2024-06-21)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e9ee548d90ff586a6471b4ae80ae9cfcbceb3420?narHash=sha256-4Zu0RYRcAY/VWuu6awwq4opuiD//ahpc2aFHg2CWqFY%3D' (2024-06-13)
  → 'github:NixOS/nixpkgs/d603719ec6e294f034936c0d0dc06f689d91b6c3?narHash=sha256-k3JqJrkdoYwE3fHE6xGDY676AYmyh4U2Zw%2B0Bwe5DLU%3D' (2024-06-20)

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