Update dependencies from https://github.com/aspnet/websdk build 20200415.6 (#11308)

- Microsoft.NET.Sdk.Web: 5.0.100-preview.3.20211.2 -> 5.0.100-preview.3.20215.6

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -65,9 +65,9 @@
       <Uri>https://github.com/microsoft/vstest</Uri>
       <Sha>d10bcbb28cc3999bcc12758a41a04b998eb9595b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Sdk.Web" Version="5.0.100-preview.3.20211.2">
+    <Dependency Name="Microsoft.NET.Sdk.Web" Version="5.0.100-preview.3.20215.6">
       <Uri>https://github.com/aspnet/websdk</Uri>
-      <Sha>3814af495962238edfd80daa549e29ba0f3bab41</Sha>
+      <Sha>0263de099d7637ed26dd99cad91d1ead7b36b220</Sha>
     </Dependency>
     <Dependency Name="ILLink.Tasks" Version="0.1.6-prerelease.20152.3">
       <Uri>https://github.com/mono/linker</Uri>

eng/Versions.props

@@ -112,7 +112,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/aspnet/websdk -->
-    <MicrosoftNETSdkWebPackageVersion>5.0.100-preview.3.20211.2</MicrosoftNETSdkWebPackageVersion>
+    <MicrosoftNETSdkWebPackageVersion>5.0.100-preview.3.20215.6</MicrosoftNETSdkWebPackageVersion>
     <MicrosoftNETSdkPublishPackageVersion>$(MicrosoftNETSdkWebPackageVersion)</MicrosoftNETSdkPublishPackageVersion>
     <MicrosoftNETSdkWebProjectSystemPackageVersion>$(MicrosoftNETSdkWebPackageVersion)</MicrosoftNETSdkWebProjectSystemPackageVersion>
     <MicrosoftNETSdkWorkerPackageVersion>$(MicrosoftNETSdkWebPackageVersion)</MicrosoftNETSdkWorkerPackageVersion>