cifs-utils: upgraded package to upstream

Upgraded net-fs/cifs-utils to version 6.11 on amd64 using
the following command:
  cros_portage_upgrade --upgrade --board=lakitu net-fs/cifs-utils

BUG=b/172463914
TEST=presubmit and checked with 'emerge-lakitu net-fs/cifs-utils'
RELEASE_NOTE=Upgraded cifs-utils package to v6.11.

Change-Id: I811d1eb87569cfd4e16902681a492fa3651e263e
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/11773
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
11 files changed