flake.lock: Update

Flake lock file updates:

• Updated input 'dream2nix':
    'github:nix-community/dream2nix/46b6ee6b0bf6e601a0765bffbbd5af9006caa2dc?narHash=sha256-pbeH3DczCcKteOC/CbRnP8pf/njlcrVQ//e1agF%2BWpY%3D' (2024-07-04)
  → 'github:nix-community/dream2nix/4e9fd61a1201f4b3800d6946810a6b4c2ecdcde8?narHash=sha256-WmPX3r0YtUxvcQmTgvNld2xJooWr4f/%2B5dURiw7/3zc%3D' (2024-07-18)
• Updated input 'dream2nix/nixpkgs':
    'github:NixOS/nixpkgs/1e3deb3d8a86a870d925760db1a5adecc64d329d?narHash=sha256-vN5xJAZ4UGREEglh3lfbbkIj%2BMPEYMuqewMn4atZFaQ%3D' (2024-06-27)
  → 'github:NixOS/nixpkgs/4284c2b73c8bce4b46a6adf23e16d9e2ec8da4bb?narHash=sha256-i4vJL12/AdyuQuviMMd1Hk2tsGt02hDNhA0Zj1m16N8%3D' (2024-07-05)
• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2405.631440%2Brev-2819fffa7fa42156680f0d282c60d81e8fb185b7/0190034c-678d-7039-b45c-fa38168f2500/source.tar.gz?narHash=sha256-mJi4/gjiwQlSaxjA6AusXBN/6rQRaPCycR7bd8fydnQ%3D' (2024-06-09)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2405.633273%2Brev-0c53b6b8c2a3e46c68e04417e247bba660689c9d/0190d12a-ecb2-7cba-b494-d1e5145f6b10/source.tar.gz?narHash=sha256-b6PLr0Ty7JPDBtJtjnYzlBf02bbH9alWMAgispMkTwk%3D' (2024-07-19)