fix: primary key bug (#156)

* fix primary key bug

* use cleaner setter override for pk

* Revert "use cleaner setter override for pk"

This reverts commit e63d6be.

tap_facebook/streams/ad_insights.py

@@ -67,6 +67,15 @@ def __init__(self, *args, **kwargs) -> None:  # noqa: ANN002, ANN003
     def primary_keys(self) -> list[str] | None:
         return ["date_start", "account_id", "ad_id"] + self._report_definition["breakdowns"]
 
+    @primary_keys.setter
+    def primary_keys(self, new_value: list[str] | None) -> None:
+        """Set primary key(s) for the stream.
+
+        Args:
+            new_value: TODO
+        """
+        self._primary_keys = new_value
+
     @staticmethod
     def _get_datatype(field: str) -> th.Type | None:
         d_type = AdsInsights._field_types[field]  # noqa: SLF001