sys-apps/portage: update to 2.3.75-r151

BUG=b/307995090
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Ia2057014eea8bec12fdad8d823a192883c1dbc0c
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/chromiumos-overlay/+/60834
Reviewed-by: He Gao <hegao@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
1 file changed