Release 2.2.0 RC 1.

Author: bgrainger

docs/content/overview/version-history.md

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-lastmod: 2022-09-18
+lastmod: 2022-10-17
 date: 2017-03-27
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 # Version History
 
+### 2.2.0 RC 1
+
+* Set activity tags when opening a connection fails: [#1196](https://github.com/mysql-net/MySqlConnector/issues/1196).
+
 ### 2.2.0 Beta 1
 
 * Support .NET 7.0.