fix: logger warning once parameter (#8)

Co-authored-by: grqx_wsl <[email protected]>

yt_dlp_plugins/extractor/getpot.py

@@ -45,7 +45,7 @@ def info(self, message):
 
     def warning(self, message, *, once=False):
         if self._logger:
-            self._logger.warning(self.format(message), once)
+            self._logger.warning(self.format(message), once=once)
 
     def error(self, message, *, is_error=True):
         if self._logger: