tell yetus whereis mvnw

Author: pan3793

dev-support/jenkins.sh

@@ -121,6 +121,7 @@ function run_ci() {
     # Dockerfile since we don't want to use the auto-pulled version.
     YETUS_ARGS+=("--docker")
     YETUS_ARGS+=("--dockerfile=${DOCKERFILE}")
+    YETUS_ARGS+=("--mvn-cmd=${SOURCEDIR}/mvnw")
     YETUS_ARGS+=("--mvn-custom-repos")
     YETUS_ARGS+=("--dockermemlimit=22g")