cmd: vendor golang.org/x/telemetry@268b4a8ec2d7

cmd: vendor golang.org/x/telemetry@268b4a8ec2d7

Commands run, from cmd:
  go get golang.org/x/telemetry@268b4a8ec2d7
  go mod tidy
  go mod vendor

Commands run, from std (to keep versions consistent):
  go get golang.org/x/sys@v0.22.0
  go mod tidy
  go mod vendor

Fixes #67617

Change-Id: I65e759c9b03443619a2a7acbeba53694ff5bbf6a
Reviewed-on: https://go-review.googlesource.com/c/go/+/597896
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Robert Findley <rfindley@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>