Pass GitHubRepositoryName as a build argument. (dotnet#101241)

Author: andriipatsula

eng/DotNetBuild.props

@@ -84,6 +84,7 @@
       <InnerBuildArgs Condition="'$(SourceBuiltNonShippingPackagesDir)' != ''">$(InnerBuildArgs) /p:SourceBuiltNonShippingPackagesDir=$(SourceBuiltNonShippingPackagesDir)</InnerBuildArgs>
       <InnerBuildArgs Condition="'$(SourceBuiltAssetManifestsDir)' != ''">$(InnerBuildArgs) /p:SourceBuiltAssetManifestsDir=$(SourceBuiltAssetManifestsDir)</InnerBuildArgs>
       <InnerBuildArgs Condition="'$(SourceBuiltSymbolsDir)' != ''">$(InnerBuildArgs) /p:SourceBuiltSymbolsDir=$(SourceBuiltSymbolsDir)</InnerBuildArgs>
+      <InnerBuildArgs Condition="'$(GitHubRepositoryName)' != ''">$(InnerBuildArgs) /p:GitHubRepositoryName=$(GitHubRepositoryName)</InnerBuildArgs>
     </PropertyGroup>
   </Target>