[Apache] Committer: How to bind GitHub account to Apache account

### Feature Description (功能描述)

1. Login apache gitbox:

https://gitbox.apache.org/boxer/

2. Accept the invitation to join the apache team on GitHub:

https://github.com/apache/

3. Linked successfully:

NOTE:
PPMC need to subscribe to the private mailing list. Please subscribe to `private@hugegraph.apache.org` by sending an email to `private-subscribe@hugegraph.apache.org`.

Reference：

- https://doris.apache.org/branch-0.13/zh-CN/community/committer-guide.html#committer%E6%96%B0%E4%BA%BA%E6%8C%87%E5%8D%97
- https://doris.apache.org/branch-0.13/community/committer-guide.html#new-committer-guidelines