build(deps): bump k8s.io/client-go from 0.26.3 to 0.28.3 in /operator

Bumps [k8s.io/client-go](https://github.com/kubernetes/client-go) from 0.26.3 to 0.28.3.
- [Changelog](https://github.com/kubernetes/client-go/blob/master/CHANGELOG.md)
- [Commits](kubernetes/client-go@v0.26.3...v0.28.3)

---
updated-dependencies:
- dependency-name: k8s.io/client-go
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

operator/go.mod

@@ -9,9 +9,9 @@ require (
 	github.com/onsi/gomega v1.28.0
 	github.com/stretchr/testify v1.8.4
 	gomodules.xyz/jsonpatch/v2 v2.4.0
-	k8s.io/api v0.27.2
-	k8s.io/apimachinery v0.27.4
-	k8s.io/client-go v0.27.2
+	k8s.io/api v0.28.3
+	k8s.io/apimachinery v0.28.3
+	k8s.io/client-go v0.28.3
 	sigs.k8s.io/controller-runtime v0.15.2
 	sigs.k8s.io/yaml v1.3.0
 )
@@ -28,12 +28,12 @@ require (
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-logr/zapr v1.2.4 // indirect
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
-	github.com/go-openapi/jsonreference v0.20.1 // indirect
+	github.com/go-openapi/jsonreference v0.20.2 // indirect
 	github.com/go-openapi/swag v0.22.3 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/google/gnostic-models v0.6.8 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.3.0 // indirect
@@ -55,11 +55,11 @@ require (
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.7.0 // indirect
 	go.uber.org/zap v1.24.0 // indirect
-	golang.org/x/net v0.14.0 // indirect
-	golang.org/x/oauth2 v0.5.0 // indirect
-	golang.org/x/sys v0.11.0 // indirect
-	golang.org/x/term v0.11.0 // indirect
-	golang.org/x/text v0.12.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/oauth2 v0.8.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/term v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.30.0 // indirect
@@ -69,9 +69,9 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/apiextensions-apiserver v0.27.2 // indirect
 	k8s.io/component-base v0.27.2 // indirect
-	k8s.io/klog/v2 v2.90.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f // indirect
-	k8s.io/utils v0.0.0-20230209194617-a36077c30491 // indirect
+	k8s.io/klog/v2 v2.100.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 // indirect
+	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
 )