update vet.sh to go runtime version 1.20 refs: google-cloud-go#7422
diff --git a/internal/kokoro/vet.sh b/internal/kokoro/vet.sh index ad8e0a2..07cefe9 100755 --- a/internal/kokoro/vet.sh +++ b/internal/kokoro/vet.sh
@@ -6,7 +6,7 @@ # Display commands being run set -x -if [[ $(go version) != *"go1.19"* ]]; then +if [[ $(go version) != *"go1.20"* ]]; then exit 0 fi