Elmah.Io.Heartbeats.Hangfire 4.2.23 with new .NET 7 sample

We released a new version (4.2.23) of the Elmah.Io.Heartbeats.Hangfire NuGet package. The new version includes the following changes:

• Build script modernization, build on .NET 7, and package validation.
• New sample for ASP.NET Core 7.
• Running on the newest version of Elmah.Io.Client.