Update dependencies from https://github.com/mono/linker build 20210322.2 (#50090)

Microsoft.NET.ILLink.Tasks
 From Version 6.0.100-preview.2.21169.4 -> To Version 6.0.100-preview.2.21172.2

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -194,9 +194,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>76954b4ed7b5cd48ace16fefb1209fe56779b247</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.2.21169.4">
+    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="6.0.100-preview.2.21172.2">
       <Uri>https://github.com/mono/linker</Uri>
-      <Sha>8bbc089bbf6db9343f94861e647137e71dfb719f</Sha>
+      <Sha>2f5594e95e1a5227103b9b7d6b92f4b2250be2d7</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="1.0.0-prerelease.21173.1">
       <Uri>https://github.com/dotnet/xharness</Uri>

eng/Versions.props

@@ -159,7 +159,7 @@
     <!-- Docs -->
     <MicrosoftPrivateIntellisenseVersion>5.0.0-preview-20201009.2</MicrosoftPrivateIntellisenseVersion>
     <!-- ILLink -->
-    <MicrosoftNETILLinkTasksVersion>6.0.100-preview.2.21169.4</MicrosoftNETILLinkTasksVersion>
+    <MicrosoftNETILLinkTasksVersion>6.0.100-preview.2.21172.2</MicrosoftNETILLinkTasksVersion>
     <!-- ICU -->
     <MicrosoftNETCoreRuntimeICUTransportVersion>6.0.0-preview.4.21172.5</MicrosoftNETCoreRuntimeICUTransportVersion>
     <!-- Mono LLVM -->