Merge pull request #2040 from ldez/fix/traefik-repo

fix: use the new image repository

traefik/github-repo

@@ -1 +1 @@
-https://github.com/containous/traefik-library-image
+https://github.com/traefik/traefik-library-image

traefik/license.md

@@ -1 +1 @@
-View [license information](https://github.com/containous/traefik/blob/master/LICENSE.md) for the software contained in this image.
+View [license information](https://github.com/traefik/traefik/blob/master/LICENSE.md) for the software contained in this image.