fix(core): 🩹 remove extra quote

Author: kikkomep

rocrate_validator/models.py

@@ -1776,7 +1776,7 @@ def update(self, event: Event, ctx: Optional[ValidationContext] = None) -> None:
             logger.debug("Validation ended with result: %s", event.validation_result)
 
     def to_dict(self) -> dict:
-        """"
+        """
         Get the computed validation statistics as a dictionary
         """
         return {