Update StackExchange.Redis version

Update StackExchange.Redis from 2.0.x to 2.1.0 dotnet#20042

Author: shatadru-c

eng/Versions.props

@@ -252,7 +252,7 @@
     <SeleniumWebDriverVersion>4.0.0-beta1</SeleniumWebDriverVersion>
     <SerilogExtensionsLoggingVersion>1.4.0</SerilogExtensionsLoggingVersion>
     <SerilogSinksFileVersion>4.0.0</SerilogSinksFileVersion>
-    <StackExchangeRedisVersion>2.0.593</StackExchangeRedisVersion>
+    <StackExchangeRedisVersion>2.2.4</StackExchangeRedisVersion>
     <SystemReactiveLinqVersion>3.1.1</SystemReactiveLinqVersion>
     <SwashbuckleAspNetCoreVersion>5.6.3</SwashbuckleAspNetCoreVersion>
     <XunitAbstractionsVersion>2.0.3</XunitAbstractionsVersion>