glib glib-utils gdbus-codegen: bump 2.66.7 -> 2.68.3

This upgrades glib to the latest revision provided by Gentoo
to get fixes including for CVE-2021-28153 and reduce the
ebuild delta while keeping all the cros-specific downstream
changes as before.

BUG=b/183876649,b/183876470
TEST=presubmit
RELEASE_NOTE=Updated glib, glib-utils and gdbus-codegen to v2.68.3. This
resolves CVE-2021-28153.

Cq-Depend: chromium:3122333
Change-Id: Ic80e17417c0f303b129dcffc0b89b1f0dd219fca
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/3110407
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Commit-Queue: Manoj Gupta <manojgupta@chromium.org>
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/chromiumos-overlay/+/22693
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
7 files changed