Teams on planet postgresql are just groupings of blogs, they are not attached to feeds themselves. Each individual team member has to register their own feed, and add it to the team.
That said, we'd be happy to add a team for aiven! To get that set up we need the name of the team, the url that the team should link to (not the RSS feed but the actual homepage), and the community username of the person who should manage the team (which involves approving and rejecting blogs added to the team).
