review fix

Author: raphaelsolarski

Dockerfile

@@ -4,5 +4,5 @@ FROM flink:${FLINK_VERSION}-scala_2.12-java17
 
 RUN rm $FLINK_HOME/lib/flink-scala*.jar
 
-ARG FLINK_SCALA_VERSION
+ARG FLINK_SCALA_VERSION="invalid"
 COPY --chown=flink:flink flink-scala-assembly-${FLINK_SCALA_VERSION}.jar $FLINK_HOME/lib/