SDC-14417. Google PubSub tests failing due to classpath issue
SDC-14417. Google PubSub tests failing due to classpath issue

Ensure protobuf-java version 3.9.x, as required by the Google libraries

Change-Id: Ib4fbb9efaa4d9b687253cf19ca2f0be30c335e4a
Reviewed-on: https://review.streamsets.net/c/datacollector/+/31509
Tested-by: StreamSets CI <809627f37325a679986bd660c7713476a56d59cd@streamsets.com>
Reviewed-by: Jarcec Cecho <df2d427dacaa504f2ede0aed47c4cdf043778b95@streamsets.com>

streamsets/datacollector,streamsets/datacollector,kunickiaj/datacollector,streamsets/datacollector,streamsets/datacollector,kunickiaj/datacollector,kunickiaj/datacollector,kunickiaj/datacollector,kunickiaj/datacollector,streamsets/datacollector