archivers/libarchive: Update to 3.8.0

Backport upstream commit 627ba5bbbf80fe25dbf5015ef304a905a2820f17

Changelog: https://github.com/libarchive/libarchive/releases/tag/v3.8.0

Reference: https://github.com/libarchive/libarchive/commit/627ba5bbbf80fe25dbf5015ef304a905a2820f17

PR: 287073
Reviewed by: glewis (maintainer)