fix: upgrade cookie from 0.5.0 to 0.6.0

Snyk has created this PR to upgrade cookie from 0.5.0 to 0.6.0.

See this package in npm:
https://www.npmjs.com/package/cookie

See this project in Snyk:
https://app.snyk.io/org/leonardoadame/project/db7a1d03-d045-42dc-a254-31c3fbfdb484?utm_source=github&utm_medium=referral&page=upgrade-pr

sites/svelte.dev/package.json

@@ -20,7 +20,7 @@
 		"@jridgewell/sourcemap-codec": "^1.4.15",
 		"@supabase/supabase-js": "^2.25.0",
 		"@sveltejs/repl": "0.5.0-next.5",
-		"cookie": "^0.5.0",
+		"cookie": "^0.6.0",
 		"devalue": "^4.3.2",
 		"do-not-zip": "^1.0.0",
 		"flexsearch": "^0.7.31",