change: Exception ~> ValueError

Changed:
- Only catch ValueError (instead of all exceptions) when parsing thread_min_characters config as an integer.

Author: lorenzo132

core/thread.py

@@ -1412,7 +1412,7 @@ async def create(
             min_chars = 0
         try:
             min_chars = int(min_chars)
-        except Exception:
+        except ValueError:
             min_chars = 0
         if min_chars > 0 and message is not None and message.content is not None:
             if len(message.content.strip()) < min_chars: