ci: increase sleep duration

Author: mhuster23

bulk-model-sync-gradle-test/ci.sh

@@ -25,7 +25,7 @@ sleep 5
 
 #CI needs more time
 if [ "${CI}" = "true" ]; then
-  sleep 10
+  sleep 20
 fi
 
 curl -X POST http://127.0.0.1:28309/v2/repositories/ci-test/init