Bump Microsoft.SourceLink.GitHub (#170)

Bumps [Microsoft.SourceLink.GitHub](https://github.com/dotnet/sourcelink) from 1.0.0-beta2-19367-01 to 1.0.0-beta2-19554-01.
- [Release notes](https://github.com/dotnet/sourcelink/releases)
- [Commits](dotnet/sourcelink@1.0.0-beta2-19367-01...1.0.0-beta2-19554-01)

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

Author: dependabot-preview[bot]

src/IdentityModel.OidcClient.csproj

@@ -39,7 +39,7 @@
 
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="5.5.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="2.1.0" />
-    <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" />
   </ItemGroup>
 
 </Project>