fix(deps): update octokit to v5

Author: renovate[bot]

package.json

@@ -57,7 +57,7 @@
     "astro-icon": "1.1.5",
     "date-fns": "4.1.0",
     "marked": "15.0.12",
-    "octokit": "4.1.3",
+    "octokit": "5.0.2",
     "sharp": "0.34.1",
     "tailwind-merge": "3.3.0",
     "tailwindcss": "4.1.7",