Fix getRegistration's parameter

Issue: microsoft/TypeScript#20065

Author: cheung-chifung

baselines/dom.generated.d.ts

@@ -9713,7 +9713,7 @@ interface ServiceWorkerContainer extends EventTarget {
     oncontrollerchange: (this: ServiceWorkerContainer, ev: Event) => any;
     onmessage: (this: ServiceWorkerContainer, ev: ServiceWorkerMessageEvent) => any;
     readonly ready: Promise<ServiceWorkerRegistration>;
-    getRegistration(): Promise<ServiceWorkerRegistration | undefined>;
+    getRegistration(clientURL?: USVString): Promise<ServiceWorkerRegistration | undefined>;
     getRegistrations(): Promise<ServiceWorkerRegistration[]>;
     register(scriptURL: USVString, options?: RegistrationOptions): Promise<ServiceWorkerRegistration>;
     addEventListener<K extends keyof ServiceWorkerContainerEventMap>(type: K, listener: (this: ServiceWorkerContainer, ev: ServiceWorkerContainerEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;

inputfiles/overridingTypes.json

@@ -1663,7 +1663,7 @@
         "interface": "ServiceWorkerContainer",
         "name": "getRegistration",
         "signatures": [
-            "getRegistration(): Promise<ServiceWorkerRegistration | undefined>"
+            "getRegistration(clientURL?: USVString): Promise<ServiceWorkerRegistration | undefined>"
         ]
     },
     {