Adjust image repository for T3 docs rendering

They moved from docker hub to GitHub registry.

home/packages/custom/typo3-documentation-rendering/default.nix

@@ -10,14 +10,15 @@ writeShellApplication {
     podman
   ];
 
-  # See: https://t3docs.github.io/DRC-The-Docker-Rendering-Container/07-To-be-sorted/quickstart.html#build-html-with-plain-docker-commands
+  # Repository: https://github.com/t3docs/DRC-The-Docker-Rendering-Container
+  # Documentation: https://t3docs.github.io/DRC-The-Docker-Rendering-Container/07-To-be-sorted/quickstart.html#build-html-with-plain-docker-commands
   text = ''
     mkdir -p Documentation-GENERATED-temp
     podman \
       run --rm \
       -v "$(pwd)":/PROJECT:ro \
       -v "$(pwd)/Documentation-GENERATED-temp":/RESULT \
-      docker.io/t3docs/render-documentation:latest \
+      ghcr.io/t3docs/render-documentation:latest \
       makehtml
   '';
 }