Update vendor/libarchive to libarchive/libarchive@cfaa28168
Bugfixes:
IS #1672 and OSS-Fuzz #38766: (zip reader) fix possible out-of-bounds read in zipx_lzma_alone_init() PR #1676: (mtree reader) remove the unused variable "detected_bytes" PR #1674: (doc) fix use of At mdoc(7) macro in cpio.5
Obtained from: libarchive
Libarchive commit: cfaa28168a07ea4a53276b63068f94fce37d6aff