sweet: upgrade benchmarks

go-build failed some kubernetes builds, will find out in next CL.

Updates golang/go#80564

Change-Id: I03ada5bd4e16f557dbedeb40b71443b704641da2
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/805600
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>