Bump Microsoft.SourceLink.GitHub (#487)

Bumps [Microsoft.SourceLink.GitHub](https://github.com/dotnet/sourcelink) from 1.0.0-beta2-19324-01 to 1.0.0-beta2-19351-01.
- [Release notes](https://github.com/dotnet/sourcelink/releases)
- [Commits](dotnet/sourcelink@1.0.0-beta2-19324-01...1.0.0-beta2-19351-01)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

src/Directory.build.props

@@ -34,7 +34,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(IsTestProject)' != 'true' and '$(SourceLinkEnabled)' != 'false'">
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19324-01" PrivateAssets="All" /> 
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19351-01" PrivateAssets="All" /> 
   </ItemGroup>
 
   <ItemGroup>