fix(aurora): fixed a logging issue

aurora/models.py

@@ -167,6 +167,7 @@ class Moderation(AuroraGuildModel):
         metadata: dict = None,
     ) -> "Moderation":
         from aurora.utilities.database import connect
+        from aurora.utilities.json import dumps
         if not timestamp:
             timestamp = datetime.fromtimestamp(time())
         elif not isinstance(timestamp, datetime):
@@ -230,6 +231,8 @@ class Moderation(AuroraGuildModel):
         case_safe.pop("guild_id")
         case_safe["timestamp"] = case_safe["timestamp"].timestamp()
         case_safe["end_timestamp"] = case_safe["end_timestamp"].timestamp() if case_safe["end_timestamp"] else None
+        case_safe["changes"] = dumps(case_safe["changes"])
+        case_safe["metadata"] = dumps(case_safe["metadata"])
 
         sql = f"INSERT INTO `moderation_{guild_id}` (moderation_id, timestamp, moderation_type, target_type, target_id, moderator_id, role_id, duration, end_timestamp, reason, resolved, resolved_by, resolve_reason, expired, changes, metadata) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"
         cursor.execute(sql, tuple(case_safe.values()))