Update update.py

Author: ChocoMeow

update.py

@@ -2,7 +2,7 @@
 from io import BytesIO
 
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
-__version__ = "v2.7.0b1"
+__version__ = "v2.7.0b2"
 
 GITHUB_API_URL = "https://api.github.com/repos/ChocoMeow/Vocard/releases/latest"
 VOCARD_URL = "https://github.com/ChocoMeow/Vocard/archive/"