Change the csv log to 'key:value' to facilitate the user to understanding and processing of log

When Who What
2022-04-07 05:41:00 Michael Paquier (michael-kun) Closed in commitfest 2022-07 with status: Rejected
2022-04-07 05:40:06 Michael Paquier (michael-kun) Attached mail thread tencent_FBE545A88B47F4FCC04F936C1EA43C2F8A0A@qq.com
2022-04-07 05:39:17 Michael Paquier (michael-kun) Detached mail thread 3207907.AWbSqkKDnR@aivenronan
2022-03-14 08:30:52 lu peng (lupeng89) Removed lupeng89 from reviewers
2022-03-14 08:09:57 lu peng (lupeng89) Added lupeng89 as reviewer
2022-03-14 08:08:45 lu peng (lupeng89) Changed authors to lu peng (lupeng89)
2022-03-14 08:07:29 lu peng (lupeng89) Attached mail thread 3207907.AWbSqkKDnR@aivenronan
2022-03-14 08:07:29 lu peng (lupeng89) Created patch record