chore(deps): update dependency microsoft.sourcelink.github to v8 (#17)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Directory.Build.props

@@ -19,7 +19,7 @@
     </PropertyGroup>
 
     <ItemGroup Label="Package References">
-        <PackageReference Include="Microsoft.SourceLink.GitHub" PrivateAssets="all" Version="1.1.1" />
+        <PackageReference Include="Microsoft.SourceLink.GitHub" PrivateAssets="all" Version="8.0.0" />
     </ItemGroup>
 
     <ItemGroup Label="Files">