libnet: upgraded package to upstream

Upgraded net-libs/libnet to version 1.2 on amd64

BUG=b/307995090
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Ibb4b69ab93ac0d72c5e6caa1ab8b4fede6b47446
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/61121
Reviewed-by: Sejal Sharma <sejalsharma@google.com>
Reviewed-by: He Gao <hegao@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
8 files changed