Upgrade MSBuild dependencies to latest patch version (#627)

Author: dfederm

Directory.Packages.props

@@ -13,6 +13,12 @@
     <PackageVersion Include="Microsoft.Bcl.HashCode" Version="6.0.0" />
     <PackageVersion Include="Microsoft.Build" Version="$(MicrosoftBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.Build.Framework" Version="$(MicrosoftBuildPackageVersion)" />
+    <!--
+      Suppress advisory for Microsoft.Build.Tasks.Core as this repo only compiles against these assemblies,
+      and uses a lower version for compatability. The actual version used at runtime is the version of
+      MSBuild actually running.
+    -->
+    <NuGetAuditSuppress Include="https://github.com/advisories/GHSA-h4j7-5rxr-p4wc" />
     <PackageVersion Include="Microsoft.Build.Tasks.Core" Version="$(MicrosoftBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="$(MicrosoftBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.Win32.Registry" Version="5.0.0" />