Update dependencies from https://github.com/dotnet/arcade build 20190905.3 (#4591)

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19455.3

eng/Version.Details.xml

@@ -65,9 +65,9 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19454.31">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19455.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>00d8aa82b488f321204a0e69a81399af9df276a1</Sha>
+      <Sha>fee4ebe849050a385a4999e4c84fa61c1dc234bb</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/common/templates/post-build/common-variables.yml

@@ -8,7 +8,7 @@ variables:
 
   # .NET Core 3.1 Dev
   - name: PublicDevRelease_31_Channel_Id
-    value: 260
+    value: 128
 
   # .NET Core 5 Dev
   - name: NetCore_5_Dev_Channel_Id

global.json

@@ -3,6 +3,6 @@
     "dotnet": "3.0.100-preview6-012264"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19454.31"
+    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19455.3"
   }
 }