WebDriver: Implement POST /session/{session id}/timeouts endpoint

Author: https://github.com/linusg
Commit: 0064d2e8c8
Pull-request: https://github.com/SerenityOS/serenity/pull/15700
Reviewed-by: https://github.com/TobyAsE ✅

Userland/Services/WebDriver/Session.h

@@ -40,6 +40,7 @@ public:
     ErrorOr<void> start();
     ErrorOr<void> stop();
     JsonObject get_timeouts();
+    ErrorOr<JsonValue, HttpError> set_timeouts(JsonValue const& payload);
     ErrorOr<JsonValue, HttpError> navigate_to(JsonValue const& url);
     ErrorOr<JsonValue, HttpError> get_current_url();
     ErrorOr<JsonValue, HttpError> back();