fix hack/pin-dependency.sh shellcheck failures

hack/.shellcheck_failures

@@ -22,7 +22,6 @@
 ./hack/lib/test.sh
 ./hack/lib/version.sh
 ./hack/make-rules/make-help.sh
-./hack/pin-dependency.sh
 ./hack/test-integration.sh
 ./hack/verify-no-vendor-cycles.sh
 ./hack/verify-test-featuregates.sh

hack/pin-dependency.sh

@@ -90,7 +90,7 @@ echo "Running: go mod edit -replace ${dep}=${dep}@${rev}"
 go mod edit -replace "${dep}=${dep}@${rev}"
 
 # Propagate pinned version to staging repos that also have that dependency
-for repo in $(ls staging/src/k8s.io | sort); do
+for repo in $(kube::util::list_staging_repos); do
   pushd "staging/src/k8s.io/${repo}" >/dev/null 2>&1
     if go mod edit -json | jq -e -r ".Require[] | select(.Path == \"${dep}\")" > /dev/null 2>&1; then
       go mod edit -require "${dep}@${rev}"