Release Note 1.5.0

## Feature & Improvement
1. Support Doris’ Map, struct type #212
2. Optimize schema change #167 #205
3. Support direct connected be writing #187
4. Supports batch writing and does not rely on checkpoint #168
5. Can be directly connected to FE for writing, and uniq table is closed by default 2pc #202
6. Support oracle, sqlserver, postgresql whole database synchronization #181 #178
7. Optimize the synchronization part of the entire database: synchronize mysql tables without primary keys, add uid, upgrade cdc version to 2.4.2, etc.
8. Introduce CacheRecorebuffer #193
9. Support capturing update-before event #169
10. Support table creation through flink catalog #147
11. sink api reconstruction #213
12. DorisSink, DorisBatchSink support multi-table writing #224 #223
13. The entire database synchronization supports single Sink writing #245
14. Whole database synchronization supports automatic table creation #248

## Bug
1. Fix the problem of data loss during two-stage commit #210
2. The problem of duplicate data in asynchronous lookup query #198
3. Fix the problem of largetint reading error in doris2.0 #173
4. Fix the issue where resources are not released during lookup restart #162
5. Fix the time zone problem encountered during mysql whole database synchronization #185
6. Fix the problem of integer overflow in catalog creation table

## Thanks
Thanks to everyone who has contributed to this release:
@bingquanzhao
@cjj2010
@codeAntg
@cygnusdark
@DongLiang-0
@GoGoWen
@huangkai66
@IKAZUCHI-Akira
@JNSimba
@scxwhite
@SunShine-1204
@thehuldra
@vinlee19
@wanshicheng
@wolfboys
@zy-kkk

The issue body contains the proposed 1.5.0 release notes, including feature, improvement, and bug lists. Review the repository's release-documentation process first, then verify that the listed changes and contributor acknowledgements are complete; done means the 1.5.0 release note is published in the expected location.

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