feat: upgrade @astrojs/vercel from 7.8.2 to 8.0.0

Snyk has created this PR to upgrade @astrojs/vercel from 7.8.2 to 8.0.0.

See this package in npm:
@astrojs/vercel

See this project in Snyk:
https://app.snyk.io/org/viorelmocanu/project/d412aad3-39fb-421a-a193-ebb46a52e491?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -55,7 +55,7 @@
 		"@astrojs/partytown": "^2.1.2",
 		"@astrojs/rss": "^4.0.9",
 		"@astrojs/sitemap": "^3.2.1",
-		"@astrojs/vercel": "^7.8.2",
+		"@astrojs/vercel": "^8.0.0",
 		"@sentry/astro": "^8.34.0",
 		"@vercel/analytics": "^1.3.1",
 		"@vercel/speed-insights": "^1.0.12",