Log Message:
ncdu2: update to version 2.4

Changelog:

    2.4 - 2024-04-21 - ncdu-2.4.tar.gz
        Now requires Zig 0.12
        Revert default color scheme back to ‘off’
        Rewrite man page in mdoc, drop pod2man dependency
        Fix updating parent dir error status on refresh
    2.3 - 2023-08-04 - ncdu-2.3.tar.gz
        Now requires Zig 0.11
        Add --(enable|disable)-natsort options
        Add indicator to apparent size/disk usage selection in the footer
        Fix build on armv7l (hopefully)
        Minor build system additions