fix: Update version number to v2.6.0 in settings and update scripts

Author: starpig1129

settingsExample.json

@@ -10,7 +10,7 @@
     "port": 8000,
     "enable": false
   },
-  "version": "v2.5.0",
+  "version": "v2.6.0",
   "mongodb": "mongodb://localhost:27017/",
   "music_temp_base": "./temp/music",
   "model_priority": [

update.py

@@ -2,7 +2,7 @@
 from io import BytesIO
 
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))  # 獲取當前腳本所在的目錄路徑
-__version__ = "v2.5.0"  # 當前版本號
+__version__ = "v2.6.0"  # 當前版本號
 
 GITHUB_API_URL = "https://api.github.com/repos/PigPig-discord-LLM-bot/releases/latest"  # GitHub API 地址,用於獲取最新版本信息
 PIGPIG_URL = "https://github.com/PigPig-discord-LLM-bot/archive/"  # 下載 PigPig Bot 的 URL