Remove Microsoft.SourceLink.GitHub

not required since sdk 8
mirrors fluentassertions/fluentassertions#3072

Author: jnyrup

Src/FluentAssertions.DataSets/FluentAssertions.DataSets.csproj

@@ -43,7 +43,6 @@
     <AdditionalFiles Include="BannedSymbols.txt" />
     <PackageReference Include="FluentAssertions" Version="8.0.0" />
     <PackageReference Include="JetBrains.Annotations" Version="2025.2.4" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.103" PrivateAssets="All" />
     <PackageReference Include="PolySharp" Version="1.15.0" PrivateAssets="all" />
   </ItemGroup>