Fix base profiling export parameter

Author: JelleZijlstra

stdlib/profiling/sampling.pyi

@@ -18,7 +18,7 @@ class Collector(ABC):
     def collect(self, stack_frames, timestamps_us=None) -> None: ...
     def collect_failed_sample(self) -> None: ...
     @abstractmethod
-    def export(self, output_path: StrOrBytesPath) -> None: ...
+    def export(self, filename: StrOrBytesPath) -> None: ...
 
 class PstatsCollector(Collector):
     def __init__(self, sample_interval_usec: int, *, skip_idle: bool = False) -> None: ...