Update dependency Microsoft.SourceLink.GitHub to 10.0.103

Author: renovate[bot]

Directory.Packages.props

@@ -4,7 +4,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />
-    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.102" />
+    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.103" />
     <PackageVersion Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.14.15" />
     <PackageVersion Include="IDisposableAnalyzers" Version="4.0.8" />
     <PackageVersion Include="GitVersion.MsBuild" Version="6.5.1" />