Update dependency Soenneker.Utils.AsyncSingleton to 4.0.780 (#708)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Soenneker.GitHub.ClientUtil/Soenneker.GitHub.ClientUtil.csproj

@@ -48,6 +48,6 @@
         <PackageReference Include="Soenneker.GitHub.Client.Http" Version="4.0.1265" />
         <PackageReference Include="Soenneker.GitHub.OpenApiClient" Version="4.0.157" />
         <PackageReference Include="Soenneker.Kiota.BearerAuthenticationProvider" Version="4.0.34" />
-        <PackageReference Include="Soenneker.Utils.AsyncSingleton" Version="4.0.778" />
+        <PackageReference Include="Soenneker.Utils.AsyncSingleton" Version="4.0.780" />
     </ItemGroup>
 </Project>