Update vendor/libarchive to libarchive/libarchive@ee4579617
Important changes (relevant to FreeBSD):
#1840 year 2038 fix for pax archives on platforms with 64-bit time_t #1873 bsdunzip ported to libarchive from FreeBSD #1894 read support for zstd compression in 7zip archives #1918 ARM64 filter support in 7zip archives
Obtained from: libarchive
Libarchive commit: ee45796171324519f0c0bfd012018dd099296336
Libarchive tag: v3.7.0