fix AMY's URL

Author: fmichonneau

bin/boilerplate/_config.yml

@@ -32,7 +32,7 @@ repository: <USERNAME>/<PROJECT>
 email: "[email protected]"
 
 # Sites.
-amy_site: "https://amy.carpentries.org/workshops"
+amy_site: "https://amy.carpentries.org/"
 carpentries_github: "https://github.com/carpentries"
 carpentries_pages: "https://carpentries.github.io"
 carpentries_site: "https://carpentries.org/"