EXPORT_VERSION now .in .env

Signed-off-by: Marc Kupietz <kupietz@ids-mannheim.de>
diff --git a/deliko-xl-compose.yml b/deliko-xl-compose.yml
index 460e881..69462ce 100644
--- a/deliko-xl-compose.yml
+++ b/deliko-xl-compose.yml
@@ -54,7 +54,7 @@
       - lite
     restart: "unless-stopped"
   kalamar-export-plugin:
-    image: "korap/kalamar-plugin-export:0.3.2"
+    image: "korap/kalamar-plugin-export:${EXPORT_VERSION}"
     depends_on:
       - kustvakt
       - kalamar