Update dependencies from https://github.com/dotnet/roslyn build 20210827.11 (#7810)

[main] Update dependencies from dotnet/roslyn

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -43,9 +43,9 @@
       <Uri>https://github.com/dotnet/xharness</Uri>
       <Sha>2e03d2d1081b606ad3c5f79709297a9c5627854d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.0.0-4.21420.19">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.0.0-4.21427.11">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>158f906df6b1e4ca99fe7cf6ed78822515d64230</Sha>
+      <Sha>7f1cd24517a65bac2e6e921bf89c9b8d4e2696ca</Sha>
     </Dependency>
     <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.6.21424.4">
       <Uri>https://github.com/mono/linker</Uri>

eng/Versions.props

@@ -34,7 +34,7 @@
     <MicrosoftExtensionsFileSystemGlobbingVersion>2.0.0</MicrosoftExtensionsFileSystemGlobbingVersion>
     <MicrosoftExtensionsLoggingConsoleVersion>2.1.1</MicrosoftExtensionsLoggingConsoleVersion>
     <MicrosoftNETCorePlatformsVersion>2.1.0</MicrosoftNETCorePlatformsVersion>
-    <MicrosoftNetCompilersToolsetVersion>4.0.0-4.21420.19</MicrosoftNetCompilersToolsetVersion>
+    <MicrosoftNetCompilersToolsetVersion>4.0.0-4.21427.11</MicrosoftNetCompilersToolsetVersion>
     <MicrosoftNetTestSdkVersion>16.7.1</MicrosoftNetTestSdkVersion>
     <MicrosoftNETILLinkTasksVersion>6.0.100-preview.6.21424.4</MicrosoftNETILLinkTasksVersion>
     <MoqVersion>4.8.3</MoqVersion>