chore: bump Microsoft.SourceLink.GitHub in /Selenium.Axe (#384)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Selenium.Axe/Selenium.Axe/Selenium.Axe.csproj

@@ -21,7 +21,7 @@
 
   <ItemGroup>
     <PackageReference Include="HtmlAgilityPack" Version="1.11.54" />
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1">
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>