[auto-pkg-updater] Update sys-apps/diffutils

Upgraded sys-apps/diffutils to v3.11

BUG=b/394508205
TEST=presubmit
RELEASE_NOTE=Upgraded sys-apps/diffutils to v3.11.

cos-patch: bug
Change-Id: I311989eec20c7cb4cabd025d95d7197b127345db
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/92361
Main-Branch-Verified: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Reviewed-by: He Gao <hegao@google.com>
6 files changed