update powershell to 52

Author: TylerLeonhardt

src/WebJobs.Script/WebJobs.Script.csproj

@@ -37,7 +37,7 @@
     <PackageReference Include="Microsoft.Azure.AppService.Proxy.Client" Version="2.0.6830001-df202c6c" />
     <PackageReference Include="Microsoft.Azure.Functions.JavaWorker" Version="1.2.3" />
     <PackageReference Include="Microsoft.Azure.Functions.NodeJsWorker" Version="1.0.0-beta7" />
-    <PackageReference Include="Microsoft.Azure.Functions.PowerShellWorker" Version="0.1.38-alpha" />
+    <PackageReference Include="Microsoft.Azure.Functions.PowerShellWorker" Version="0.1.52-alpha" />
     <PackageReference Include="Microsoft.Azure.WebJobs" Version="3.0.3" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions" Version="3.0.1" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Http" Version="3.0.1" />