set http3=False for ImpitHttpClient

Author: Mantisus

src/crawlee/http_clients/_impit.py

@@ -92,7 +92,7 @@ def __init__(
         self,
         *,
         persist_cookies_per_session: bool = True,
-        http3: bool = True,
+        http3: bool = False,
         verify: bool = True,
         browser: Browser | None = 'firefox',
         **async_client_kwargs: Any,