Update scholarly/_proxy_generator.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: ipeirotis

scholarly/_proxy_generator.py

@@ -445,11 +445,15 @@ def _handle_captcha2(self, url):
         self.logger.info(f"Solved captcha in less than {cur} seconds.")
 
         for cookie in self._get_webdriver().get_cookies():
-            cookie.pop("httpOnly", None)
-            cookie.pop("expiry", None)
-            cookie.pop("sameSite", None)
-            cookie.pop("secure", None)  # httpx Cookies.set() does not accept 'secure'
-            self._session.cookies.set(**cookie)
+            # Construct a new dict containing only the kwargs supported by httpx.Cookies.set().
+            cookie_kwargs = {}
+            for key in ("name", "value", "domain", "path"):
+                if key in cookie:
+                    cookie_kwargs[key] = cookie[key]
+            # Map Selenium's 'expiry' field to httpx's 'expires' parameter, if present.
+            if "expiry" in cookie:
+                cookie_kwargs["expires"] = cookie["expiry"]
+            self._session.cookies.set(**cookie_kwargs)
 
         return self._session