fixing typing

Author: davidsbatista

integrations/astra/src/haystack_integrations/document_stores/astra/document_store.py

@@ -482,7 +482,7 @@ def update_by_filter(self, filters: dict[str, Any], meta: dict[str, Any]) -> int
         # use dot notation to update nested fields in the meta-object - ensures fields are created if they don't exist
         update_fields = {f"meta.{key}": value for key, value in meta.items()}
         update_operation = {"$set": update_fields}
-        update_count = self.index.update_many(filter_condition=converted_filters, update=update_operation)
+        update_count = self.index.update_many(filter_condition=converted_filters, update=update_operation)  # type: ignore
 
         logger.info(f"{update_count} documents updated by filter")