fix: add missing ?ref=release attribution param to 'built to last' href

The prior release commit stored the raw hyperfollow URL as pasted
(no query string), breaking the releases.test.ts contract check.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Author: cipher813

src/data/releases.json

@@ -40,7 +40,7 @@
     {
       "title": "built to last",
       "releaseAt": "2026-07-31T13:00:00-07:00",
-      "href": "https://distrokid.com/hyperfollow/thecyphering/built-to-last",
+      "href": "https://distrokid.com/hyperfollow/thecyphering/built-to-last?ref=release",
       "cover": "https://distrokid.imgix.net/http%3A%2F%2Fgather.fandalism.com%2F12828073--67C784B4-3355-4274-996CA28C406867D3--0--2369255--builttolastimage260703.png?fm=jpg&mark-y=568&mark-x=620&mark-w=180&q=75&w=800&mark=http%3A%2F%2Fgather.fandalism.com%2Fdistrokid-sticker-sm.png&s=9fb3d267823923c23981b95f162928bd"
     }
   ]