chore(example): Update flake.lock

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/2a55567fcf15b1b1c7ed712a2c6fadaec7412ea8?narHash=sha256-iKzJcpdXih14qYVcZ9QC9XuZYnPc6T8YImb6dX166kw%3D' (2024-06-01)
  → 'github:hercules-ci/flake-parts/9227223f6d922fee3c7b190b2cc238a99527bbb7?narHash=sha256-pQMhCCHyQGRzdfAkdJ4cIWiw%2BJNuWsTX7f0ZYSyz0VY%3D' (2024-07-03)
• Updated input 'flake-parts/nixpkgs-lib':
    'https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz?narHash=sha256-lIbdfCsf8LMFloheeE6N31%2BBMIeixqyQWbSr2vk79EQ%3D' (2024-06-01)
  → 'https://github.com/NixOS/nixpkgs/archive/5daf0514482af3f97abaefc78a6606365c9108e2.tar.gz?narHash=sha256-Fm2rDDs86sHy0/1jxTOKB1118Q0O3Uc7EC0iXvXKpbI%3D' (2024-07-01)
• Updated input 'haskell-flake':
    'github:srid/haskell-flake/dfea80e8a907a7818f11090788f84f1a62985694?narHash=sha256-ytIvs6dq1dD3eicwhmqMyhIDH52DfqhOiCpmJbjBYVI%3D' (2024-06-24)
  → 'github:srid/haskell-flake/64bd0f328e5a424b65aafdde3901b64f4f390b0f?narHash=sha256-MtatlRdAy7eWdgZI8JgW/OmY/aqF%2BSvRucqlsLHzX80%3D' (2024-07-03)
• Updated input '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)