[KYUUBI #1748] bin/kyuubi-zk-cli should has execute permission

### _Why are the changes needed?_

`bin/kyuubi-zk-cli` should has execute permission

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1748 from pan3793/execute.

Closes #1748

cba11d0 [Cheng Pan] bin/kyuubi-zk-cli should has execute permission

Authored-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: Kent Yao <yao@apache.org>

Author: pan3793