build(deps): bump Microsoft.SourceLink.GitHub from 1.1.1 to 8.0.0

Bumps [Microsoft.SourceLink.GitHub](https://github.com/dotnet/sourcelink) from 1.1.1 to 8.0.0.
- [Release notes](https://github.com/dotnet/sourcelink/releases)
- [Commits](https://github.com/dotnet/sourcelink/commits)

---
updated-dependencies:
- dependency-name: Microsoft.SourceLink.GitHub
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Directory.Packages.props

@@ -5,7 +5,7 @@
     <GlobalPackageReference Include="GitVersion.MsBuild" Version="5.12.0" />
     <GlobalPackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.3.4" />
     <GlobalPackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.4" />
-    <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" />
+    <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
     <GlobalPackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.8.14" />
   </ItemGroup>
   <ItemGroup>