[ANNOUNCE] New committer: Zhen Tang (alextang)

[XiaoYu]

Hi community, The Polling Project Management Committee (PPMC) for Apache
shenyuhas invited (nominee) to become a committer and we are pleased to
announce that he has accepted.Zhen Tang (alextang) is active in shenyu
community, hope see your further interactions with the community! Thanks
for your contributions.