Enabling duplicate event source names

Author: fabiocav

src/WebJobs.Script.WebHost/runtimeconfig.template.json

@@ -0,0 +1,6 @@
+{
+    "configProperties": {
+      // Enable duplicate event source names: https://github.com/dotnet/runtime/issues/56052
+      "System.Diagnostics.Tracing.EventSource.AllowDuplicateSourceNames": true
+    }
+}