Update dependencies from https://github.com/dotnet/aspnetcore-tooling build 20200821.1 (#25127)

[release/3.1] Update dependencies from dotnet/aspnetcore-tooling
- Updates:
  - Microsoft.AspNetCore.Razor.Language: from 3.1.8 to 3.1.8
  - Microsoft.CodeAnalysis.Razor: from 3.1.8 to 3.1.8
  - Microsoft.NET.Sdk.Razor: from 3.1.8 to 3.1.8
  - Microsoft.AspNetCore.Mvc.Razor.Extensions: from 3.1.8 to 3.1.8

Author: dotnet-maestro[bot]

NuGet.config

@@ -8,7 +8,7 @@
     <add key="darc-pub-dotnet-core-setup-9c1330d-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-core-setup-9c1330de-1/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-core-setup-9c1330d" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-core-setup-9c1330de/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-corefx-d6302a7" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-corefx-d6302a72/nuget/v3/index.json" />
-    <add key="darc-pub-dotnet-aspnetcore-tooling-3a7095a" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-aspnetcore-tooling-3a7095a0/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-aspnetcore-tooling-02423c0" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-aspnetcore-tooling-02423c0c/nuget/v3/index.json" />
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-core" value="https://dotnetfeed.blob.core.windows.net/dotnet-core/index.json" />
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />

eng/Version.Details.xml

@@ -19,19 +19,19 @@
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.Razor.Language" Version="3.1.8">
       <Uri>https://github.com/dotnet/aspnetcore-tooling</Uri>
-      <Sha>3a7095a05e4eaeda2c3c057fa0b7256398a719f5</Sha>
+      <Sha>02423c0c6c445b12abea9fee03ebdb2e18b4a2dd</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.Mvc.Razor.Extensions" Version="3.1.8">
       <Uri>https://github.com/dotnet/aspnetcore-tooling</Uri>
-      <Sha>3a7095a05e4eaeda2c3c057fa0b7256398a719f5</Sha>
+      <Sha>02423c0c6c445b12abea9fee03ebdb2e18b4a2dd</Sha>
     </Dependency>
     <Dependency Name="Microsoft.CodeAnalysis.Razor" Version="3.1.8">
       <Uri>https://github.com/dotnet/aspnetcore-tooling</Uri>
-      <Sha>3a7095a05e4eaeda2c3c057fa0b7256398a719f5</Sha>
+      <Sha>02423c0c6c445b12abea9fee03ebdb2e18b4a2dd</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.Sdk.Razor" Version="3.1.8">
       <Uri>https://github.com/dotnet/aspnetcore-tooling</Uri>
-      <Sha>3a7095a05e4eaeda2c3c057fa0b7256398a719f5</Sha>
+      <Sha>02423c0c6c445b12abea9fee03ebdb2e18b4a2dd</Sha>
     </Dependency>
     <Dependency Name="dotnet-ef" Version="3.1.8">
       <Uri>https://github.com/dotnet/efcore</Uri>