chore: format sync context manager with black

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 16cb16dc-1986-42c7-90ce-9549b32cfccb

Author: Skn0tt

playwright/sync_api/_context_manager.py

@@ -70,7 +70,9 @@ def greenlet_main() -> None:
         dispatcher_fiber.switch()
 
         try:
-            self._playwright = SyncPlaywright(self._connection.playwright_future.result())
+            self._playwright = SyncPlaywright(
+                self._connection.playwright_future.result()
+            )
         except BaseException:
             self.__exit__()
             raise