docs(base-account): HTTP links to Coinbase/Base properties in basenames FAQ

**Path:** `docs/sdks/base-account/basenames/basenames-faq.mdx`

## Description

Three links in the Basenames FAQ page use `http://` even though all three destinations are Coinbase/Base's own properties and serve over HTTPS:

- Line 28: `[Coinbase Verification](http://coinbase.com/onchain-verify)`
- Line 33: `[BNS name owner](http://basename.app)`
- Line 85: `[base.org/names](http://base.org/names)`

## Suggested fix

Update all three to `https://`. Verified each resolves correctly over HTTPS.

Abre docs/sdks/base-account/basenames/basenames-faq.mdx e inspecciona los tres enlaces identificados en las líneas 28, 33 y 85. Actualiza cada URL de Coinbase/Base de http:// a https:// y, después, verifica que los enlaces se resuelvan correctamente y que la FAQ se renderice sin problemas.

Escrito por el modelo de indexación a partir del texto del issue.