[CANCEL][VOTE] Release Apache ShenYu 2.7.0

[Hongyu Liu]

Hi,




I'm cancelling this vote because The commit is not the last. 


vote thread: https://lists.apache.org/thread/x43c7k10y0yxccjolxo7vm8yyznod6lf


I'll fix them and start a new round vote process.



Thanks a lot for all your help.