Even that page doesn’t tell you the license. It just has a link to “license”, and given that VS Code is marketed as open source software, and there’s often even

Even that page doesn’t tell you the license. It just has a link to “license”, and given that VS Code is marketed as open source software, and there’s often even a GitHub link (for issues), it’d be pretty easy that the “license” linked to was GPL or MIT or something.