[main] Update dependencies from mono/linker (#56461)

* Update dependencies from https://github.com/mono/linker build 20210727.1

Microsoft.NET.ILLink.Tasks
 From Version 6.0.100-preview.6.21376.2 -> To Version 6.0.100-preview.6.21377.1

* Update dependencies from https://github.com/mono/linker build 20210728.1

Microsoft.NET.ILLink.Tasks
 From Version 6.0.100-preview.6.21376.2 -> To Version 6.0.100-preview.6.21378.1

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -186,9 +186,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>f7e4c261815c66fde2c1e750b744f193e236c17e</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.6.21376.2">
+    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.6.21378.1">
       <Uri>https://github.com/mono/linker</Uri>
-      <Sha>b888d672e11588e2bbca1cd3eeaee30d53416897</Sha>
+      <Sha>0cb9250a903cfc90cbac602ed79c0cbc588d8d3f</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="1.0.0-prerelease.21370.1">
       <Uri>https://github.com/dotnet/xharness</Uri>

eng/Versions.props

@@ -166,7 +166,7 @@
     <!-- Docs -->
     <MicrosoftPrivateIntellisenseVersion>5.0.0-preview-20201009.2</MicrosoftPrivateIntellisenseVersion>
     <!-- ILLink -->
-    <MicrosoftNETILLinkTasksVersion>6.0.100-preview.6.21376.2</MicrosoftNETILLinkTasksVersion>
+    <MicrosoftNETILLinkTasksVersion>6.0.100-preview.6.21378.1</MicrosoftNETILLinkTasksVersion>
     <MicrosoftNETILLinkAnalyzerPackageVersion>$(MicrosoftNETILLinkTasksVersion)</MicrosoftNETILLinkAnalyzerPackageVersion>
     <!-- ICU -->
     <MicrosoftNETCoreRuntimeICUTransportVersion>6.0.0-rc.1.21369.1</MicrosoftNETCoreRuntimeICUTransportVersion>