style: remove unnecessary whitespace in page.py and page.py commands

Author: thalissonvs

pydoll/browser/page.py

@@ -104,7 +104,7 @@ async def close(self):
         Closes the page.
         """
         await self._execute_command(PageCommands.close())
-        
+
     async def get_cookies(self) -> list[dict]:
         """
         Retrieves the cookies of the page.

pydoll/commands/page.py

@@ -184,4 +184,4 @@ def close(cls) -> dict:
             dict: The command to be sent to the browser,
                   containing the method to close the current page.
         """
-        return cls.CLOSE
+        return cls.CLOSE