Update Go version and package dependencies

vendor/sigs.k8s.io/controller-runtime/pkg/webhook/admission/defaulter_custom.go

@@ -22,7 +22,9 @@ import (
 	"errors"
 	"net/http"
 
+	admissionv1 "k8s.io/api/admission/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 )
 
@@ -60,6 +62,16 @@ func (h *defaulterForType) Handle(ctx context.Context, req Request) Response {
 		panic("object should never be nil")
 	}
 
+	// Always skip when a DELETE operation received in custom mutation handler.
+	if req.Operation == admissionv1.Delete {
+		return Response{AdmissionResponse: admissionv1.AdmissionResponse{
+			Allowed: true,
+			Result: &metav1.Status{
+				Code: http.StatusOK,
+			},
+		}}
+	}
+
 	ctx = NewContextWithRequest(ctx, req)
 
 	// Get the object in the request

vendor/sigs.k8s.io/controller-runtime/pkg/webhook/conversion/conversion.go

@@ -69,6 +69,12 @@ func (wh *Webhook) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if convertReview.Request == nil {
+		log.Error(nil, "conversion request is nil")
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
 	// TODO(droot): may be move the conversion logic to a separate module to
 	// decouple it from the http layer ?
 	resp, err := wh.handleConvertRequest(convertReview.Request)

vendor/sigs.k8s.io/controller-runtime/pkg/webhook/server.go

@@ -74,6 +74,7 @@ type Server struct {
 
 	// TLSVersion is the minimum version of TLS supported. Accepts
 	// "", "1.0", "1.1", "1.2" and "1.3" only ("" is equivalent to "1.0" for backwards compatibility)
+	// Deprecated: Use TLSOpts instead.
 	TLSMinVersion string
 
 	// TLSOpts is used to allow configuring the TLS config used for the server