MINOR: Mention switch to reload4j in Notable changes in 3.1.1 (#12313)
MINOR: Mention switch to reload4j in Notable changes in 3.1.1 (#12313)


Reviewers: Mickael Maison <9e7363571ad6c9fdd8a7f0491d2e413bdf6275ab@gmail.com>, Kvicii
apache/kafka,guozhangwang/kafka,guozhangwang/kafka,guozhangwang/kafka,guozhangwang/kafka,apache/kafka,apache/kafka,apache/kafka