Merge pull request #1472 from microsoft/dependabot/nuget/Microsoft.SourceLink.GitHub-8.0.0

Bump Microsoft.SourceLink.GitHub from 1.1.1 to 8.0.0

Author: baywet

Directory.Build.props

@@ -20,6 +20,6 @@
   <ItemGroup>
     <PackageReference
      Condition="!$(MSBuildProjectName.EndsWith('Tests'))"
-     Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All"/>
+     Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All"/>
   </ItemGroup>
 </Project>