Update dependencies from https://github.com/aspnet/Blazor build 20191031.1

- Microsoft.AspNetCore.Blazor.Mono - 3.1.0-preview3.19531.1

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -9,9 +9,9 @@
 -->
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.AspNetCore.Blazor.Mono" Version="3.1.0-preview3.19530.1">
+    <Dependency Name="Microsoft.AspNetCore.Blazor.Mono" Version="3.1.0-preview3.19531.1">
       <Uri>https://github.com/aspnet/Blazor</Uri>
-      <Sha>88035135ca31bc5a613ae7a53af6d8198c948c08</Sha>
+      <Sha>df77420cad90b1834fe43c952861dad11097d38f</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.Razor.Language" Version="3.1.0-preview3.19530.4">
       <Uri>https://github.com/aspnet/AspNetCore-Tooling</Uri>

eng/Versions.props

@@ -96,7 +96,7 @@
     <!-- Only listed explicitly to workaround https://github.com/dotnet/cli/issues/10528 -->
     <MicrosoftNETCorePlatformsPackageVersion>3.1.0-preview2.19523.17</MicrosoftNETCorePlatformsPackageVersion>
     <!-- Packages from aspnet/Blazor -->
-    <MicrosoftAspNetCoreBlazorMonoPackageVersion>3.1.0-preview3.19530.1</MicrosoftAspNetCoreBlazorMonoPackageVersion>
+    <MicrosoftAspNetCoreBlazorMonoPackageVersion>3.1.0-preview3.19531.1</MicrosoftAspNetCoreBlazorMonoPackageVersion>
     <!-- Packages from aspnet/Extensions -->
     <InternalAspNetCoreAnalyzersPackageVersion>3.1.0-preview3.19530.4</InternalAspNetCoreAnalyzersPackageVersion>
     <MicrosoftAspNetCoreAnalyzerTestingPackageVersion>3.1.0-preview3.19530.4</MicrosoftAspNetCoreAnalyzerTestingPackageVersion>