[Fix-5570][Worker] Fix worker.groups in worker.properties is still commented and improve install scripts and configurations (#5571)

[Improvement][Docker/K8s] Support more configurations and service accesses, reduce the duplication configurations, improve image for python and the compatibility of python home (#5393)

* [Improvement][Docker] Support more configurations and improve image for python

* [Improvement][K8s] Support more configurations, more service accesses, and reduce the duplication configurations

* [Improvement][Python] Improve the compatibility of python home

* [Improvement][Install] Fix install config and install.sh

* [Improvement][Install] Fix workflow ut

* [Improvement][Docker] Optimize docker-swarm/check script

* [Improvement][DB] Update default username and password of database

* Update comments in master/worker.properties

* Specify version for all images

* [Improvement][Docker] Optimize PS1 and WORKDIR

* [Improvement][SQL] Reduce heap size to 64m in create-dolphinscheduler.sh and upgrade-dolphinscheduler.sh

* [Fix-5431][K8s] Fix master and worker cannot get the right address with custom DNS

* Modify the AWS S3 request encryption method to V4.

* * update Dockerfile to add mysql-client for mysql database service test
* update wechat alert config replace placeholder from  to {xx} because of the  will be treat as env variable
* fix unit test of EnterpriseWeChatUtilsTest
* update values.yaml default config for helm deploy DS cluster
* update values.yaml default config for custom install
* update templates of helm for custom install
* update some name of env varibale, for example change from POSTGRESQL_HOST to DATABASE_HOST
* delele the redundancy requirements.yaml for heml
* update README* in the docker dir and subdir
* update startup scripts for support mysql as backend database

* * fix the ENV name wrong in docker-compose.yml and docker-stack.yml
* remove the didn't need port mapping in postgresql & zookeeper & dolphinscheduler-api

* * keep expose the port of postgresql & zk & api because of unit test needed

* * remove mysql-client package from dockerfile
Co-authored-by: Nrockxsj <junjun@mgtv.com>

* Remove .helmignore file

* Refactor dockerfile