update k8s dependencies to 1.25

Signed-off-by: Sandor Szücs <[email protected]>

go.mod

@@ -5,10 +5,13 @@ go 1.15
 require (
 	github.com/blang/semver v3.5.1+incompatible // indirect
 	github.com/davecgh/go-spew v1.1.1
+	github.com/emicklei/go-restful v2.9.5+incompatible // indirect
+	github.com/google/cel-spec v0.6.0 // indirect
 	github.com/googleapis/gnostic v0.5.5 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/spf13/viper v1.8.1 // indirect
-	k8s.io/apimachinery v0.24.17
-	k8s.io/client-go v0.24.17
-	k8s.io/code-generator v0.24.17
-	sigs.k8s.io/controller-tools v0.9.2
+	k8s.io/apimachinery v0.25.16
+	k8s.io/client-go v0.25.16
+	k8s.io/code-generator v0.25.16
+	sigs.k8s.io/controller-tools v0.10.0
 )