Update dependencies from https://github.com/mono/linker build 20210528.2 (#53462)

[main] Update dependencies from mono/linker

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -174,9 +174,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>5a26d12c41b866731a195938bf3c162ba4a04ce2</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.6.21277.2">
+    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.6.21278.2">
       <Uri>https://github.com/mono/linker</Uri>
-      <Sha>50901f9ba5c8672c2758577a61f45fea3cc6cd76</Sha>
+      <Sha>526731fe2bba33340009373e02429c910be55144</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="1.0.0-prerelease.21276.1">
       <Uri>https://github.com/dotnet/xharness</Uri>

eng/Versions.props

@@ -161,7 +161,7 @@
     <!-- Docs -->
     <MicrosoftPrivateIntellisenseVersion>5.0.0-preview-20201009.2</MicrosoftPrivateIntellisenseVersion>
     <!-- ILLink -->
-    <MicrosoftNETILLinkTasksVersion>6.0.100-preview.6.21277.2</MicrosoftNETILLinkTasksVersion>
+    <MicrosoftNETILLinkTasksVersion>6.0.100-preview.6.21278.2</MicrosoftNETILLinkTasksVersion>
     <MicrosoftNETILLinkAnalyzerPackageVersion>$(MicrosoftNETILLinkTasksVersion)</MicrosoftNETILLinkAnalyzerPackageVersion>
     <!-- ICU -->
     <MicrosoftNETCoreRuntimeICUTransportVersion>6.0.0-preview.6.21274.1</MicrosoftNETCoreRuntimeICUTransportVersion>