Update dependencies from https://github.com/dotnet/arcade build 20201215.4 (#862)

[master] Update dependencies from dotnet/arcade

eng/Version.Details.xml

@@ -3,25 +3,25 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.20614.8">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.20615.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>b2d5bf0342fa65d70ed2c3ddbdb3841d7ca0b382</Sha>
+      <Sha>7d638bb082f374f7c8ddbada79f757662df4a246</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="6.0.0-beta.20614.8">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="6.0.0-beta.20615.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>b2d5bf0342fa65d70ed2c3ddbdb3841d7ca0b382</Sha>
+      <Sha>7d638bb082f374f7c8ddbada79f757662df4a246</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SignTool" Version="6.0.0-beta.20614.8">
+    <Dependency Name="Microsoft.DotNet.SignTool" Version="6.0.0-beta.20615.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>b2d5bf0342fa65d70ed2c3ddbdb3841d7ca0b382</Sha>
+      <Sha>7d638bb082f374f7c8ddbada79f757662df4a246</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="6.0.0-beta.20614.8">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="6.0.0-beta.20615.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>b2d5bf0342fa65d70ed2c3ddbdb3841d7ca0b382</Sha>
+      <Sha>7d638bb082f374f7c8ddbada79f757662df4a246</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SwaggerGenerator.MSBuild" Version="6.0.0-beta.20614.8">
+    <Dependency Name="Microsoft.DotNet.SwaggerGenerator.MSBuild" Version="6.0.0-beta.20615.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>b2d5bf0342fa65d70ed2c3ddbdb3841d7ca0b382</Sha>
+      <Sha>7d638bb082f374f7c8ddbada79f757662df4a246</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Maestro.Client" Version="1.1.0-beta.19556.4">
       <Uri>https://github.com/dotnet/arcade-services</Uri>

eng/common/performance/microbenchmarks.proj

@@ -141,4 +141,4 @@
       <Timeout>4:00</Timeout>
     </HelixWorkItem>
   </ItemGroup>
-</Project>
+</Project>

global.json

@@ -11,6 +11,6 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.20614.8"
+    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.20615.4"
   }
 }