Merge pull request #1069 from dotnet/dependabot/nuget/Rx.NET/Source/Microsoft.SourceLink.GitHub-1.0.0-beta2-19554-01

Bump Microsoft.SourceLink.GitHub from 1.0.0-beta2-19367-01 to 1.0.0-beta2-19554-01 in /Rx.NET/Source

Rx.NET/Source/Directory.build.props

@@ -24,7 +24,7 @@
 
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19367-01" PrivateAssets="All"/>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19554-01" PrivateAssets="All"/>
     <PackageReference Include="Nerdbank.GitVersioning" Version="3.0.26" PrivateAssets="all" />
   </ItemGroup>