* Change all get help from dev mailing list to slack, because
  we find out mailing list have many users ask for subscribe
  and they maybe subscribe by accident.
* remove join dev mailing list in faq.md because we already
  have it in https://dolphinscheduler.apache.org/en-us/community/development/subscribe.html

* no need to subscribe the dev mailing list when asking questions 

there is no need to subscribe the dev mailing list when users only ask usage questions

* Update bug-report.yml

Add new version 2.0.1 for github issue template and remove versions not LTS

closes: #6620
Co-authored-by: NKirs <acm_master@163.com>
Co-authored-by: NJiwei Guo <technoboy@apache.org>

* Add label `Waiting for reply` to bug/feature label
avoid stale bot close

* Remove bot label-on-issue

We do not need this anymore, cause when issue is created
it would auto add label `waiting for reply` for now

* Change issue/pr stale and close days.

After this PR merged, issue would be close in 37 days
and PR will be close in 127 days.