This patch add python api package as independent
directory in final dist directory when user run
command `mvn -U install package -Prelease`.
There have `tar.gz` and `whl` in the python dist directory
close: #8343
Change python api version to 2.0.4
Add pre_clean command to clean env
* [cherry-pick][python] Make it work to 2.0.2
* Remove unused ProcessExecutionTypeEnum
* Add queryByName to project
* Add checkTenantExists to tenant
* Add queryByTenantCode to tenant
* Add queryQueueName to queue
* Add all content from dev branch
* Add gitignore
* Add pydolphinscheduler content
* Add ds-py to bin test
* Py merge to 202
* Fix version
* Fix missing variable
* Add py4j as known deps
* Fix core database bug