How to get Plugin Support title next to my name

I can’t write a line of code to save my life… but I believe the title comes automatically when you’re listed as an official support rep for the plugin.

From the plugin developer FAQ page:

How do I give a support account access to my plugin?

You can add Support Representatives to your plugin. Support representatives can mark forum topics as resolved or sticky (same as plugin authors and contributors), but don’t have commit access to the plugin.

The UI for managing plugin support reps can be found in Advanced View on the plugin page, next to managing committers. Once someone is added as a support rep, they will get a Plugin Support badge when replying to the plugin support topics or reviews.