Update vendor/libarchive to libarchive/libarchive@1f3c62ebf
Important changes (relevant to FreeBSD):
#1814 Do not account for NULL terminator when comparing with "TRAILER!!!" #1818 Add ability to produce multi-frame zstd archives #1860 Make single bit bitfields unsigned to avoid clang 16 warning #1869 Fix FreeBSD builds with WARNS=6
Obtained from: libarchive
Libarchive commit: 1f3c62ebf4d492ac21d3099b3b064993100dd997