Clean up old versions of VSCode
introduce As is well known, this is a long-standing bug: VS Code always leaves behind old versions of extensions when upgrading extensions. 众所周知，这是一个长期存在的 bug：VS Code 在升级扩展程序时总是会留下旧版本的扩展程序。 Previously, this space usage was not a problem, but with the emergence of AI programming extensions, after long-term operation, the size of the related extensions may reach the GB level, quickly filling up the disk. ...