Incorrect link for VS-code extension maintainership

[Karan-Palan]

The link for vscode extension maintainer-ship does not link to the correct project

[github-actions]

Welcome to AsyncAPI. Thanks a lot for reporting your first issue. Please check out our contributors guide and the instructions about a basic recommended setup useful for opening a pull request.
Keep in mind there are also other channels you can use to interact with AsyncAPI community. For more details check out this issue.