Use [Diagnostic].Report() method in IncrementalGenerator API

Author: Lamparter

src/roslyn/Riverside.CompilerPlatform.SourceGenerators/IncrementalGenerator.cs

@@ -1,4 +1,5 @@
-using System;
+using Riverside.CompilerPlatform.Extensions;
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
@@ -249,12 +250,11 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
 					if (!SuppressDiagnostics)
 					{
 						// Report exceptions that occur during generation
-						sourceProductionContext.ReportDiagnostic(
 							CreateDiagnostic(
 								$"RS9999",
 								"Source Generation Error",
 								$"An error occurred during source generation: {ex.Message}",
-								DiagnosticSeverity.Error));
+								DiagnosticSeverity.Error).Report(Context);
 					}
 				}
 			});