Serilog.Sinks.ElmahIo 5.2.50

We released a new version (5.2.50) of the Serilog.Sinks.ElmahIo package. The new version includes the following changes:

• Create installation during startup. An installation is a new term on elmah.io and will show up beneath the Active installs folder on the log settings page. More info here.
• Use the new OnMessageFilter event from Elmah.Io.Client.
• Building and testing on .NET 9. Also added a new .NET 9 sample.
• Newest Elmah.Io.Client.
• General code improvements by fixing all code suggestions.