### _Why are the changes needed?_
As titled.
### _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/master/contributing/code/testing.html#running-tests) locally before make a pull request
### _Was this patch authored or co-authored using generative AI tooling?_
No.
Closes#5265 from link3280/docs_jm_ha.
Closes#5265
947854a5a [Paul Lin] Improve language
f7ea8dc51 [Paul Lin] Improve language
c40b94bf1 [Paul Lin] Add notice about Jobmanager HA to Flink deployment docs
Authored-by: Paul Lin <paullin3280@gmail.com>
Signed-off-by: Paul Lin <paullin3280@gmail.com>
1f0901b5de