flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/47478a4a003e745402acf63be7f9a092d51b83d7' (2023-02-09)
  → 'github:hercules-ci/flake-parts/f7b3c975cf067e56e7cda6cb098ebe3fb4d74ca2' (2024-03-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/e1e1b192c1a5aab2960bf0a0bd53a2e8124fa18e?dir=lib' (2023-01-31)
  → 'github:NixOS/nixpkgs/1536926ef5621b09bba54035ae2bb6d806d72ac8?dir=lib' (2024-02-29)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/ac1f5b72a9e95873d1de0233fddcb56f99884b37' (2023-02-16)
  → 'github:NixOS/nixpkgs/9df3e30ce24fd28c7b3e2de0d986769db5d6225d' (2024-03-06)