fix k8s mercure CORS

Author: pborreli

ci/deploy

@@ -76,7 +76,7 @@ helm upgrade --install --reset-values --force --namespace=$NAMESPACE --recreate-
     --set mercure.publishUrl="http://${RELEASE}-mercure/hub" \
     --set mercure.subscribeUrl="https://${MERCURE_ENTRYPOINT}/hub" \
     --set mercure.jwtKey=$MERCURE_JWT_KEY \
-    --set mercure.corsAllowedOrigins=$CLIENT_BUCKET,$ADMIN_BUCKET \
+    --set mercure.corsAllowedOrigins="$CLIENT_BUCKET" \
     --set mercure.domainFilters="{$DOMAIN}"
 
 # Reload fixtures: this is specific for this project!