Addon registry: Update registry image from 2.8.3 to 2.8

Author: minikube-bot

pkg/minikube/assets/addons.go

@@ -401,7 +401,7 @@ var Addons = map[string]*Addon{
 			"0640"),
 	}, false, "registry", "minikube", "", "", map[string]string{
 		"KubeRegistryProxy": "k8s-minikube/kube-registry-proxy:0.0.8@sha256:60ab3508367ad093b4b891231572577371a29f838d61e64d7f7d093d961c862c",
-		"Registry":          "registry:2.8.3@sha256:319881be2ee9e345d5837d15842a04268de6a139e23be42654fc7664fc6eaf52",
+		"Registry":          "registry:2.8@sha256:a3d8aaa63ed8681a604f1dea0aa03f100d5895b6a58ace528858a7b332415373",
 	}, map[string]string{
 		"KubeRegistryProxy": "gcr.io",
 		"Registry":          "docker.io",