### _Why are the changes needed?_
Refine the release process docs, including
- rename "major release" to "feature release", the latter is more meaningful
- clarify the release manager should commit first, then go back to continue the rest release process.
### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible
- [x] Add screenshots for manual tests if appropriate
<img width="1377" alt="image" src="https://user-images.githubusercontent.com/26535726/220105136-37b65fe6-0217-4e59-8736-9a0375da84c0.png">
- [ ] [Run test](https://kyuubi.readthedocs.io/en/master/develop_tools/testing.html#running-tests) locally before make a pull request
Closes#4385 from pan3793/release-doc.
Closes#4385
b8c5089d [Cheng Pan] [DOCS] Refine release process
Authored-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: Cheng Pan <chengpan@apache.org>
7eac6ea0f9
