libxml2: upgraded package to upstream

Upgraded dev-libs/libxml2 to version 2.11.5 on amd64, arm64

BUG=b/311148097
TEST=presubmit
RELEASE_NOTE=Updated dev-libs/libxml2 to v2.11.5. This fixes
CVE-2023-45322.

cos-patch: security-moderate
Change-Id: Ice7f3aa668be24a1672fa3f29ddf56a013d1b520
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/61414
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: He Gao <hegao@google.com>
3 files changed