[KYUUBI #1283] Exclude pyenv files from VCS

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### _Why are the changes needed?_
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[pyenv](https://github.com/pyenv/pyenv) is a tool for managing python environments, one significant advantage of this tool is auto activate/deactivate virtualenv when enter/exit the directory which has a file `.python-version` with vaild virtualenv name.

### _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 #1283 from pan3793/pyenv.

Closes #1283

37da1cbd [Cheng Pan] Exclude pyenv files from VCS

Authored-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: ulysses-you <ulyssesyou@apache.org>

.gitignore

@@ -39,6 +39,7 @@
 .idea_modules/
 .project
 .pydevproject
+.python-version
 .scala_dependencies
 .settings
 build/apache-maven*