[FLINK-34545][cdc-pipeline-connector]Add OceanBase pipeline connector to Flink CDC

[yuanoOo]

This closes FLINK-34545.

[yuanoOo]

Hello everyone, Is there anyone currently following this PR and willing to do a code review? I will continue to follow up on it.

[yuxiqian]

Hi @yuanoOo, thanks for your great contribution! Since @whhe is familiar with OceanBase, do you have time to take a look?

[yuanoOo]

@GOODBOY008 I made some changes according to your review. Please review these changes. Thank you.

[GOODBOY008]

@yuanoOo Please fix dead link in doc , refer : https://github.com/apache/flink-cdc/actions/runs/9869322624/job/27277822806?pr=3360#step:4:721

[yuanoOo]

@GOODBOY008 After version 3.2 is released, flink-cdc-pipeline-connector-oceanbase-3.2.0.jar will be distributed and the dead link will be activated. I think this issue can be ignored for now.

[yuanoOo]

@GOODBOY008 Please take a look here. Looking forward to your reply.

[yuanoOo]

@GOODBOY008 I just resolved the conflict. Please help trigger the github workflow again.

[github-actions[bot]]

This pull request has been automatically marked as stale because it has not had recent activity for 60 days. It will be closed in 30 days if no further activity occurs.

[yuanoOo]

@lvyanquan Can you take a look here in your free time. I checked and the GitHub CI failure seems to be unrelated to this PR.

[lvyanquan]

Thanks for @yuanoOo's contribution, I left some comments.

[yuanoOo]

@lvyanquan I fixed the above comments, please take a look again.

[yuanoOo]

@lvyanquan I fixed the above comments, please take a look again.

[yuanoOo]

@lvyanquan I have just resolved the conflict. Please help trigger github ci.

[yuanoOo]

@ruanhang1993 Please take a look here when you have some free time.

[GOODBOY008]

@yuanoOo I will take a look at the end of this week.