Upgraded packages to latest upstream

Upgraded net-dns/c-ares to v1.21.0

BUG=b/309746328
TEST=presubmit
RELEASE_NOTE=Upgraded net-dns/c-ares to v1.21.0.

Change-Id: I1e1c5ba0231043f937233c188139c13f87e4da04
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/60935
Reviewed-by: Sejal Sharma <sejalsharma@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Chenglong Tang <chenglongtang@google.com>
2 files changed