Update MicrosoftInternalCodeCoveragePackageVersion to 18.0.6 (#15312)

Author: nohwnd

eng/Version.Details.props

@@ -6,7 +6,7 @@ This file should be imported by eng/Versions.props
 <Project>
   <PropertyGroup>
     <!-- _git/vs-code-coverage dependencies -->
-    <MicrosoftInternalCodeCoveragePackageVersion>18.0.4</MicrosoftInternalCodeCoveragePackageVersion>
+    <MicrosoftInternalCodeCoveragePackageVersion>18.0.6</MicrosoftInternalCodeCoveragePackageVersion>
     <!-- dotnet/dotnet dependencies -->
     <MicrosoftDiagnosticsNETCoreClientPackageVersion>0.2.0-preview.25476.104</MicrosoftDiagnosticsNETCoreClientPackageVersion>
     <!-- dotnet/runtime dependencies -->