Freeze python-telegram-bot[socks] verstion to 12.7

Author: VladimirFilonov

setup.py

@@ -38,7 +38,7 @@ def get_long_description() -> str:
     author_email='[email protected]',
     install_requires=[
         'setuptools',
-        'python-telegram-bot[socks]>=12.7',
+        'python-telegram-bot[socks]==12.7',
         'click>=7.1.2',
         'requests>=2.23.0',
         'dateparser>=0.7.4',