Add missing setWorkerOptions

src/monaco.contribution.ts

@@ -268,6 +268,11 @@ export interface LanguageServiceDefaults {
 	 */
 	setDiagnosticsOptions(options: DiagnosticsOptions): void;
 
+	/**
+	 * Configure webworker options
+	 */
+	setWorkerOptions(options: WorkerOptions): void;
+
 	/**
 	 * No-op.
 	 */