good old casing typo

Author: Skn0tt

playwright/src/main/java/com/microsoft/playwright/impl/BrowserContextImpl.java

@@ -104,7 +104,7 @@ enum EventType {
     clock = new ClockImpl(this);
     closePromise = new WaitableEvent<>(listeners, EventType.CLOSE); 
 
-    JsonElement url = initializer.getAsJsonObject("options").get("baseUrl");
+    JsonElement url = initializer.getAsJsonObject("options").get("baseURL");
     if (url != null) {
       try {
         this.baseUrl = new URL(url.getAsString());