Update dependencies from https://github.com/mono/linker build 20210422.1 (#51690)

[main] Update dependencies from mono/linker

eng/Version.Details.xml

@@ -194,9 +194,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>ccc25a90082fa6592eeca8e146ff37e1b7d6b79d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.2.21221.3">
+    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.2.21222.1">
       <Uri>https://github.com/mono/linker</Uri>
-      <Sha>6a82d56a9e95858005aca83891f2992edf665eb6</Sha>
+      <Sha>012efef292663aa38f9047896942cdcc8765b8e0</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="1.0.0-prerelease.21220.1">
       <Uri>https://github.com/dotnet/xharness</Uri>

eng/Versions.props

@@ -165,7 +165,7 @@
     <!-- Docs -->
     <MicrosoftPrivateIntellisenseVersion>5.0.0-preview-20201009.2</MicrosoftPrivateIntellisenseVersion>
     <!-- ILLink -->
-    <MicrosoftNETILLinkTasksVersion>6.0.100-preview.2.21221.3</MicrosoftNETILLinkTasksVersion>
+    <MicrosoftNETILLinkTasksVersion>6.0.100-preview.2.21222.1</MicrosoftNETILLinkTasksVersion>
     <!-- ICU -->
     <MicrosoftNETCoreRuntimeICUTransportVersion>6.0.0-preview.5.21219.2</MicrosoftNETCoreRuntimeICUTransportVersion>
     <!-- Mono LLVM -->