Autobump stack images

Author: relint-ci

config/kpack/default-buildpacks.yml

@@ -25,9 +25,9 @@ metadata:
 spec:
   id: "io.buildpacks.stacks.bionic"
   buildImage:
-    image: "index.docker.io/paketobuildpacks/build@sha256:5c450622abb910e85dd9979adb4fb730489d5779abf49acb1e85c01fe82a11aa"
+    image: "index.docker.io/paketobuildpacks/build@sha256:51847bbf0991c36bfe9fcf32e04103fe61806863cd3a3ec30d6739709c3ab6d0"
   runImage:
-    image: "index.docker.io/paketobuildpacks/run@sha256:1b428f1fdd333cd280e8358c9c712baa388ff21dec1fc847eddd245b93b5667f"
+    image: "index.docker.io/paketobuildpacks/run@sha256:33200512dcb2983822e2d356678910811f3839c24f663f93f7dd080860f13a5a"
 
 ---
 apiVersion: kpack.io/v1alpha1