fix: upgrade @vercel/remix from 2.8.1-patch.2 to 2.15.1

Snyk has created this PR to upgrade @vercel/remix from 2.8.1-patch.2 to 2.15.1.

See this package in npm:
@vercel/remix

See this project in Snyk:
https://app.snyk.io/org/stilt0n/project/af3aaf37-addd-4a99-a03f-3e86522939c3?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -28,7 +28,7 @@
     "@remix-run/node": "^2.8.1",
     "@remix-run/react": "^2.8.1",
     "@remix-run/serve": "^2.8.1",
-    "@vercel/remix": "2.8.1-patch.2",
+    "@vercel/remix": "2.15.1",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.0",
     "dotenv": "^16.4.5",