Release

Install `vsce`

npm i -g vsce

Publish

Bump version in package.json via npm version <major|minor|patch>
Push changes including --tags
Create release on github
Run npm run publish or vsce publish

Create a token

https://andys8.visualstudio.com/_usersSettings/tokens with custom defined scope "Marketplace"

Login

https://andys8.visualstudio.com/_usersSettings/tokens
Token needs organization: All accessible organizations

vsce login andys8