feature: release version logs

Signed-off-by: Xinwei Xiong(cubxxw-openim) <3293172751nss@gmail.com>

CHANGELOG/CHANGELOG-2.2.md

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+# Version logging for OpenIM:v2.2
+
+> **Note**:
+> Deprecated version logging for OpenIM, please refer to [CHANGELOG.md](../CHANGELOG.md)
+
+<!-- BEGIN MUNGE: GENERATED_TOC -->
+
+- [Version logging for OpenIM:v2.2](#version-logging-for-openimv22)
+  - [Unreleased](#unreleased)
+  - [v2.2.0 - 2022-07-01](#v220---2022-07-01)
+    - [Reverts](#reverts)
+    - [Pull Requests](#pull-requests)
+
+
+<!-- END MUNGE: GENERATED_TOC -->
+
+<a name="unreleased"></a>
+## [Unreleased]
+
+
+<a name="v2.2.0"></a>
+## v2.2.0 - 2022-07-01
+### Reverts
+- update etcd to v3.5.2 ([#206](https://github.com/OpenIMSDK/Open-IM-Server/issues/206))
+- friend modify
+- update
+
+### Pull Requests
+- Merge branch 'tuoyun'
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+
+
+[Unreleased]: https://github.com/OpenIMSDK/Open-IM-Server/compare/v2.2.0...HEAD