curl: upgraded package to upstream

Upgraded net-misc/curl to version 7.68.0 on amd64, arm

BUG=chromium:1064515
TEST=./build_packages for octopus and kukui
TEST=deploy to octopus and check curl version

Change-Id: I5de9c69b1b4642b3ecda971f29ceffcde5164bd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2121118
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Hugo Benichi <hugobenichi@google.com>
Tested-by: Austin Tankiang <austinct@chromium.org>
Commit-Queue: Austin Tankiang <austinct@chromium.org>
5 files changed