UPSTREAM: <drop>: run ./hack/update-vendor.sh

due to the following inconsistent vendoring error:
  go: inconsistent vendoring in /go/src/k8s.io/kubernetes/hack/tools:

we run make update by removing the following from replace
section of code-generator go.mod file
  k8s.io/code-generator => ../code-generator

so after we complete all 'update', we run hack/update-vendor.sh

once we solve the dependency issue with downstream then this
would no longer be needed

staging/src/k8s.io/code-generator/go.mod

@@ -32,4 +32,5 @@ require (
 replace (
 	github.com/onsi/ginkgo => github.com/openshift/ginkgo v4.7.0-origin.0+incompatible
 	golang.org/x/oauth2 => golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8
+	k8s.io/code-generator => ../code-generator
 )