Bump k8s.io/apiextensions-apiserver from 0.28.3 to 0.28.4

Bumps [k8s.io/apiextensions-apiserver](https://github.com/kubernetes/apiextensions-apiserver) from 0.28.3 to 0.28.4.
- [Release notes](https://github.com/kubernetes/apiextensions-apiserver/releases)
- [Commits](kubernetes/apiextensions-apiserver@v0.28.3...v0.28.4)

---
updated-dependencies:
- dependency-name: k8s.io/apiextensions-apiserver
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/stretchr/testify v1.8.4
 	go.uber.org/mock v0.3.0
 	k8s.io/api v0.28.4
-	k8s.io/apiextensions-apiserver v0.28.3
+	k8s.io/apiextensions-apiserver v0.28.4
 	k8s.io/apimachinery v0.28.4
 	k8s.io/apiserver v0.28.4
 	k8s.io/client-go v0.28.4

go.sum

@@ -234,8 +234,8 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 k8s.io/api v0.28.4 h1:8ZBrLjwosLl/NYgv1P7EQLqoO8MGQApnbgH8tu3BMzY=
 k8s.io/api v0.28.4/go.mod h1:axWTGrY88s/5YE+JSt4uUi6NMM+gur1en2REMR7IRj0=
-k8s.io/apiextensions-apiserver v0.28.3 h1:Od7DEnhXHnHPZG+W9I97/fSQkVpVPQx2diy+2EtmY08=
-k8s.io/apiextensions-apiserver v0.28.3/go.mod h1:NE1XJZ4On0hS11aWWJUTNkmVB03j9LM7gJSisbRt8Lc=
+k8s.io/apiextensions-apiserver v0.28.4 h1:AZpKY/7wQ8n+ZYDtNHbAJBb+N4AXXJvyZx6ww6yAJvU=
+k8s.io/apiextensions-apiserver v0.28.4/go.mod h1:pgQIZ1U8eJSMQcENew/0ShUTlePcSGFq6dxSxf2mwPM=
 k8s.io/apimachinery v0.28.4 h1:zOSJe1mc+GxuMnFzD4Z/U1wst50X28ZNsn5bhgIIao8=
 k8s.io/apimachinery v0.28.4/go.mod h1:wI37ncBvfAoswfq626yPTe6Bz1c22L7uaJ8dho83mgg=
 k8s.io/apiserver v0.28.4 h1:BJXlaQbAU/RXYX2lRz+E1oPe3G3TKlozMMCZWu5GMgg=