Push TARGET_SITE into the in-container variables

This way we can override the TARGET_SITE when invoking pattern.sh

Author: mbaldessari

scripts/pattern-util.sh

@@ -85,6 +85,7 @@ podman run -it --rm --pull=newer \
     -e EXTRA_HELM_OPTS \
     -e EXTRA_PLAYBOOK_OPTS \
     -e TARGET_ORIGIN \
+    -e TARGET_SITE \
     -e NAME \
     -e TOKEN_SECRET \
     -e TOKEN_NAMESPACE \