Auto-publish on open-vsx registry

[Neluji]

Clear and concise description of the problem

The extension is not updated on the open-vsx.org registry, the current extension version being 0.3.4

Suggested solution

Set up auto-publishing of the extension to the registry, as detailed in this guide

Alternative

Manually update the extension, as detailed in this guide

Additional context

No response

Validations

• [x] Follow our Code of Conduct
• [x] Read the Contributing Guide.
• [x] Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

[SenseiMarv]

As a user of Cursor, I just ran into this. I wanted to use a setting that has been introduced after v0.3.4 and was confused by it not being available. I hope the extension will also be published to other registries so users of VSCode forks can enjoy up to date extension versions.