Merge pull request #98 from takenet/feature/update-redis-version

update redis version to 2.9.11

Author: arturpeixot

src/Take.Elephant.Redis/Take.Elephant.Redis.csproj

@@ -21,7 +21,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="StackExchange.Redis" Version="2.7.33" />
+    <PackageReference Include="StackExchange.Redis" Version="2.9.11" />
     <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="8.0.1" />
     <PackageReference Include="System.Diagnostics.TraceSource" Version="4.3.0" />
   </ItemGroup>