👷 fix gem version in docs generated by jenkins
👷 fix gem version in docs generated by jenkins

Change-Id: I30bab690e373555acf30f35ee8dfb3265e789c51
Reviewed-on: http://review.couchbase.org/c/couchbase-ruby-client/+/133525
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

couchbase/couchbase-ruby-client,couchbase/couchbase-ruby-client,couchbase/couchbase-ruby-client