Automatic merge from submit-queue

allow `hack/lib/etcd.sh` to print version mismatch error message

**What this PR does / why we need it**:  `third_party/etcd` isn't guaranteed to be present, this was causing the `hack/lib/etcd.sh` script to fail on `ls` prior to printing out the error message about
etcd version mismatch

**Which issue this PR fixes**: fixes #41989

**Release note**:
```release-note
NONE
```