upd to 1.20.0

Dockerfile

@@ -1,4 +1,4 @@
-FROM gcr.io/kaniko-project/executor:v1.9.1-debug
+FROM gcr.io/kaniko-project/executor:v1.20.0
 
 ENV HOME /root
 ENV USER root

README.md

@@ -152,3 +152,7 @@ The very same example just pushing to GCR instead of Docker Hub:
 ```bash
 docker run --net=host -it --rm -w /src -v $PWD:/cache -v $PWD:/src -e PLUGIN_REGISTRY=gcr.io -e PLUGIN_REPO=paas-dev1/drone-kaniko-test -e PLUGIN_TAGS=test -e PLUGIN_DOCKERFILE=Dockerfile.test -e PLUGIN_CACHE=true -e PLUGIN_JSON_KEY="$(<$HOME/google-application-credentials.json)" 1sept/drone-kaniko
 ```
+
+```shell
+docker run --rm -ti --platform linux/amd64 harbor.1sept.ru/drone/drone-kaniko:test sh                                                                                                                                                                                                                 
+```