Updated benchmark reference.

Author: Oren (electricessence)

benchmarking/Open.Disposable.ObjectPools.Benchmarking.csproj

@@ -21,7 +21,7 @@
 
   <ItemGroup>
     <PackageReference Include="Open.Diagnostics" Version="1.4.0" />
-    <PackageReference Include="Open.Text.CSV" Version="2.1.0" />
+    <PackageReference Include="Open.Text.CSV" Version="2.1.1" />
   </ItemGroup>
 
   <ItemGroup>