add vscod.dev command in github extension

[ivanaclairineirsan]

This PR fixes #146309

[ghost]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

❌ ivanaclairineirsan sign now
_{You have signed the CLA already but the status is still pending? Let us recheck it.}