Bump Exceptional to latest

Tidies up newer async stack traces

Author: Nick Craver

Opserver.Core/Opserver.Core.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="Jil" Version="2.16.0" />
     <PackageReference Include="MiniProfiler.Shared" Version="4.0.138" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
-    <PackageReference Include="StackExchange.Exceptional.Shared" Version="2.0.0-rc2.29" />
+    <PackageReference Include="StackExchange.Exceptional.Shared" Version="2.2.1" />
     <PackageReference Include="StackExchange.Redis" Version="2.0.513" />
   </ItemGroup>
   <ItemGroup Condition="$(TargetFramework) == 'net461'">

Opserver/Opserver.csproj

@@ -46,7 +46,7 @@
     <PackageReference Include="Microsoft.AspNet.Web.Optimization" Version="1.1.3" />
     <PackageReference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" Version="1.0.7.0" />
     <PackageReference Include="MiniProfiler.Mvc5" Version="4.0.138" />
-    <PackageReference Include="StackExchange.Exceptional" Version="2.0.0-rc2.29" />
+    <PackageReference Include="StackExchange.Exceptional" Version="2.2.1" />
     <PackageReference Include="WebGrease" Version="1.6.0" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System" />