fix docker host name

Author: micaelakaplan

label_studio_ml/examples/gliner/docker-compose.yml

@@ -30,7 +30,7 @@ services:
       # Do not use 'localhost' as it does not work within Docker containers.
       # Use prefix 'http://' or 'https://' for the URL always.
       # Determine the actual IP using 'ifconfig' (Linux/Mac) or 'ipconfig' (Windows).
-      - LABEL_STUDIO_URL=http://app.docker.internal:8080
+      - LABEL_STUDIO_URL=http://host.docker.internal:8080
       - LABEL_STUDIO_API_KEY=
     ports:
       - "9090:9090"