🐛 fix for Python 3.7 and server using Z in date string

Author: ianardee

mindee/parsing/common/execution.py

@@ -80,4 +80,5 @@ def parse_date(date_string: Optional[str]) -> Optional[datetime]:
         """Shorthand to parse the date, if present."""
         if not date_string:
             return None
+        date_string = date_string.replace("Z", "+00:00")
         return datetime.fromisoformat(date_string)