Fix URLComponent build method and update test_url_component

src/backend/langflow/components/data/URL.py

@@ -15,7 +15,7 @@ class URLComponent(CustomComponent):
             "urls": {"display_name": "URL"},
         }
 
-    async def build(
+    def build(
         self,
         urls: list[str],
     ) -> list[Record]:

tests/test_data_components.py

@@ -172,4 +172,5 @@ def test_directory_without_mocks():
 def test_url_component():
     url_component = data.URLComponent()
     # the url component can be used to load the contents of a website
-    record = url_component.build("https://example.com")
+    records = url_component.build(["https://langflow.org"])
+    assert all(record.data for record in records)