chore: Update version string

MikeWang000000 · MikeWang000000 · commit 57ed1ca3f90f · 2025-10-26T00:40:39.000+08:00
diff --git a/natter-check/natter-check.py b/natter-check/natter-check.py
@@ -25,7 +25,7 @@
 import struct
 import codecs
 
-__version__ = "2.2.1"
+__version__ = "2.3.0-dev"
 
 
 def fix_codecs(codec_list = ["utf-8", "idna"]):
diff --git a/natter.py b/natter.py
@@ -34,7 +34,7 @@
 import threading
 import subprocess
 
-__version__ = "2.2.1"
+__version__ = "2.3.0-dev"
 
 
 class Logger(object):
