[docs] update info on KUDU-2990 in known issues

Kudu 1.10.1 and 1.11.1 patch releases are in the making, so let's
update the wording in known issues section to prepare the document
for publishing at the project's web site.

Change-Id: If9678cbd98c1d82a84ddf8ada8caba8746a205bd
Reviewed-on: http://gerrit.cloudera.org:8080/14698
Reviewed-by: Adar Dembo <adar@cloudera.com>
Tested-by: Alexey Serbin <aserbin@cloudera.com>
(cherry picked from commit b3147d871a097065ac91c1b8f675e02076c4b011)
Reviewed-on: http://gerrit.cloudera.org:8080/14699
Reviewed-by: Alexey Serbin <aserbin@cloudera.com>
1 file changed