Update to MySql.Data 8.0.22.

Author: bgrainger

tests/MySqlData8.Tests/MySqlData8.Tests.csproj

@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
-    <PackageReference Include="MySql.Data" Version="8.0.21" />
+    <PackageReference Include="MySql.Data" Version="8.0.22" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
   </ItemGroup>