[DOCS-ISSUE] - Missing Business plan in 'feature availability' on various pages

## Where is the bug/mistake?

On pages that are for specific plans there is a 'feature availability' notice. For instance on https://docs.n8n.io/credentials/credential-sharing/

## What problem did you find?
The new business plan is missing. 

## Can you suggest a fix?

Add business plan to docs pages where this is relevant. 

## Additional context

none