MINOR: Enable KRaft in transactions_test.py #11121
MINOR: Enable KRaft in transactions_test.py #11121

Reviewers: Colin P. McCabe <3142ce8a0bdba4a38073365893e6b74f72d9c512@apache.org>
lindong28/kafka,apache/kafka,lindong28/kafka,guozhangwang/kafka,TiVo/kafka,TiVo/kafka,apache/kafka,guozhangwang/kafka,apache/kafka,lindong28/kafka,apache/kafka,TiVo/kafka,guozhangwang/kafka,guozhangwang/kafka,lindong28/kafka,TiVo/kafka