chore(deps): update container images

README.md

@@ -2,9 +2,11 @@
 
 [![Docker Pulls](https://img.shields.io/docker/pulls/volkerraschek/markdownlint)](https://hub.docker.com/r/volkerraschek/markdownlint)
 
-This project contains all sources to build the container image `git.cryptic.systems/volker.raschek/markdownlint`. The
-primary goal of this project is to packge the binary `markdownlint-ci` as container image. The source code of the binary
-can be found in the upstream project of [igorshubovych](https://github.com/igorshubovych/markdownlint-cli).
+This project contains all sources to build the container image
+`docker.io/volkerraschek/markdownlint`. The primary goal of this project is to
+packge the binary `markdownlint-ci` as container image. The source code of the
+binary can be found in the upstream project of
+[igorshubovych](https://github.com/igorshubovych/markdownlint-cli).
 
 The workflow or how `markdownlint-ci` can in general be used is documented
 [here](https://github.com/igorshubovych/markdownlint-cli#usage).