libarchive, xz-utils: upgraded packages to upstream

Upgraded app-arch/libarchive to version 3.5.2 on amd64, arm64
Upgraded app-arch/xz-utils to version 5.2.5-r1 on amd64, arm64
Added a cherry-pick of a patch from upstream which fixes CVE-2021-36976

BUG=b/205010749
TEST=presubmit
RELEASE_NOTE=Upgraded app-arch/libarchive to version 3.5.2. This fixes
CVE-2021-36976.

Change-Id: I32b7950b70deabb43329516c383a00b491b45cd4
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/24470
Reviewed-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
8 files changed