flake.lock: Update (#317)

Flake lock file updates:

• Updated input 'buildbot-nix':
    'github:Mic92/buildbot-nix/93942c0a662b7c6ad80810ae9f99f80988a27b1d?narHash=sha256-9x2Yjsw6t%2B%2Bgo/jZ5prKGJFDl4b5%2Bei5eCgm10xorDI%3D' (2024-07-14)
  → 'github:Mic92/buildbot-nix/be581a532080db9f37a9ec8522eca351929fc846?narHash=sha256-HFaqhuClCWau5sbxDlNXFtElELSqn7oEgPEt2iW4nkA%3D' (2024-07-21)
• Updated input 'buildbot-nix/treefmt-nix':
    'github:numtide/treefmt-nix/5b002f8a53ed04c1a4177e7b00809d57bd2c696f?narHash=sha256-f52x9srIcqQm1Df3T%2BxYR5P6VfdnDFa2vkkcLhlTp6U%3D' (2024-07-12)
  → 'github:numtide/treefmt-nix/888bfb10a9b091d9ed2f5f8064de8d488f7b7c97?narHash=sha256-wNXLQ/ATs1S4Opg1PmuNoJ%2BWamqj93rgZYV3Di7kxkg%3D' (2024-07-20)
• Updated input 'dream2nix':
    'github:nix-community/dream2nix/15d7ef5c34f0932b5241acaa4c305d62b87dee89?narHash=sha256-rIzRL9q4Jgay0bp4ljXo4iHIpxtn9hj7KWuLRmruqQI%3D' (2024-07-13)
  → 'github:nix-community/dream2nix/4e9fd61a1201f4b3800d6946810a6b4c2ecdcde8?narHash=sha256-WmPX3r0YtUxvcQmTgvNld2xJooWr4f/%2B5dURiw7/3zc%3D' (2024-07-18)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/aa247c0c90ecf4ae7a032c54fdc21b91ca274062?narHash=sha256-GaliJqfFwyYxReFywxAa8orCO%2BEnDq2NK2F%2B5aSc8vo%3D' (2024-07-14)
  → 'github:NixOS/nixpkgs/c19d62ad2265b16e2199c5feb4650fe459ca1c46?narHash=sha256-cFgdjyK/VBM3hB1RfFHXcI/VOCBVAv813s1upHKX7bI%3D' (2024-07-21)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/8d6a17d0cdf411c55f12602624df6368ad86fac1?narHash=sha256-ni/87oHPZm6Gv0ECYxr1f6uxB0UKBWJ6HvS7lwLU6oY%3D' (2024-07-09)
  → 'github:cachix/pre-commit-hooks.nix/f451c19376071a90d8c58ab1a953c6e9840527fd?narHash=sha256-6FPUl7HVtvRHCCBQne7Ylp4p%2BdpP3P/OYuzjztZ4s70%3D' (2024-07-15)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/0703ba03fd9c1665f8ab68cc3487302475164617?narHash=sha256-eTpnrT6yu1vp8C0B5fxHXhgKxHoYMoYTEikQx///jxY%3D' (2024-07-14)
  → 'github:Mic92/sops-nix/909e8cfb60d83321d85c8d17209d733658a21c95?narHash=sha256-AsvPw7T0tBLb53xZGcUC3YPqlIpdxoSx56u8vPCr6gU%3D' (2024-07-21)

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