[feature][cdc][postgres] add PostgreSQL CDC

[ashulin]

Purpose of this pull request

Check list

• [ ] Code changed are covered with tests, or it does not need tests for reason:
• [ ] If any new Jar binary package adding in your PR, please add License Notice according New License Guide
• [ ] If necessary, please update the documentation to describe the new feature. https://github.com/apache/incubator-seatunnel/tree/dev/docs
• [ ] If you are contributing the connector code, please check that the following files are updated:
  1. Update change log that in connector document. For more details you can refer to connector-v2
  2. Update plugin-mapping.properties and add new connector information in it
  3. Update the pom file of seatunnel-dist

[ediconss]

这个可以现在使用吗，支持同步DDL吗

[ashulin]

这个可以现在使用吗，支持同步DDL吗

@ediconss Currently, DDL synchronization is not supported. PostgreSQL CDC is still in beta status and needs more testing. Feedback on your test results is welcome.

[ashulin]

@ic4y @EricJoy2048 PTAL agen.

[hailin0]

check ci error

[hailin0]

@ashulin add e2e module

reference https://github.com/apache/incubator-seatunnel/tree/dev/seatunnel-e2e/seatunnel-connector-v2-e2e/connector-cdc-sqlserver-e2e

[jobmission]

@hailin0 Hi， How's it going ？

[jobmission]

@ashulin need this feature

[chensdraw]

need postgresql cdc

[joaopedro02]

Hi ! do you know how this is going and if i can help some way ? i really need this feature

[jobmission]

Hi, Do we have news about this? :(👍