Bump k8s.io/client-go from 0.28.3 to 0.28.4

Bumps [k8s.io/client-go](https://github.com/kubernetes/client-go) from 0.28.3 to 0.28.4.
- [Changelog](https://github.com/kubernetes/client-go/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kubernetes/client-go/compare/v0.28.3...v0.28.4)

go.mod

@@ -3,9 +3,9 @@ module gitlab.com/unboundsoftware/default-request-adder
 go 1.20
 
 require (
-	k8s.io/api v0.28.3
-	k8s.io/apimachinery v0.28.3
-	k8s.io/client-go v0.28.3
+	k8s.io/api v0.28.4
+	k8s.io/apimachinery v0.28.4
+	k8s.io/client-go v0.28.4
 )
 
 require (
@@ -34,7 +34,7 @@ require (
 	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
+	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect