Update dependencies from https://github.com/dotnet/arcade build 20190511.1 (#3226)

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19261.1
- Microsoft.DotNet.SignTool - 1.0.0-beta.19261.1

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -3,13 +3,13 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19260.2">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19261.1">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>810920cf8a5fc183585304193f8b4e4e189497e9</Sha>
+      <Sha>136dfbfa8a6173dadc107bf7393bdeaceecb4d3a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SignTool" Version="1.0.0-beta.19260.2">
+    <Dependency Name="Microsoft.DotNet.SignTool" Version="1.0.0-beta.19261.1">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>810920cf8a5fc183585304193f8b4e4e189497e9</Sha>
+      <Sha>136dfbfa8a6173dadc107bf7393bdeaceecb4d3a</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/Versions.props

@@ -24,7 +24,7 @@
     <PlatformAbstractionsVersion>2.0.0</PlatformAbstractionsVersion>
     <SystemDiagnosticsFileVersionInfoVersion>4.0.0</SystemDiagnosticsFileVersionInfoVersion>
     <SystemReflectionMetadataVersion>1.5.0</SystemReflectionMetadataVersion>
-    <MicrosoftDotNetSignToolVersion>1.0.0-beta.19260.2</MicrosoftDotNetSignToolVersion>
+    <MicrosoftDotNetSignToolVersion>1.0.0-beta.19261.1</MicrosoftDotNetSignToolVersion>
   </PropertyGroup>
   <!-- Get .NET Framework reference assemblies from NuGet packages -->
   <PropertyGroup>

global.json

@@ -6,7 +6,7 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19260.2",
+    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19261.1",
     "Microsoft.DotNet.Helix.Sdk": "2.0.0-beta.19215.12"
   }
 }