[ie/pornhub] Fix login by email address (#9914)

Closes #9717
Authored by: feederbox826

yt_dlp/extractor/pornhub.py

@@ -97,7 +97,7 @@ class PornHubBaseIE(InfoExtractor):
         login_form = self._hidden_inputs(login_page)
 
         login_form.update({
-            'username': username,
+            'email': username,
             'password': password,
         })