Update Pipelines.Sockets.Unofficial to v2.2.8 (#2456)

This version contains fixes for supporting NativeAOT.

Contributes to #2449

Author: eerhardt

Directory.Packages.props

@@ -2,7 +2,7 @@
   <ItemGroup>
     <!-- Packages we depend on for StackExchange.Redis, upgrades can create binding redirect pain! -->
     <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="5.0.0" />
-    <PackageVersion Include="Pipelines.Sockets.Unofficial" Version="2.2.2" />
+    <PackageVersion Include="Pipelines.Sockets.Unofficial" Version="2.2.8" />
     <PackageVersion Include="System.Diagnostics.PerformanceCounter" Version="5.0.0" />
     <PackageVersion Include="System.Threading.Channels" Version="5.0.0" />
     <PackageVersion Include="System.Runtime.InteropServices.RuntimeInformation" Version="4.3.0" />