gawk: upgraded package to upstream

Upgraded sys-apps/gawk to version 5.1.1-r2 on amd64, arm, arm64

BUG=b:237867284
TEST=build_packages and build_image success for amd64, and in a cros_vm
running `gawk --version` reports "GNU Awk 5.1.1, API: 3.1"

Change-Id: Ie4c19d891177299c991bc2a2733e1c626e6bdbc0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3739701
Tested-by: Tirath Ramdas <tirath@google.com>
Reviewed-by: Eizan Miyamoto <eizan@chromium.org>
Commit-Queue: Tirath Ramdas <tirath@google.com>
3 files changed