fix(deps): update dependency @vercel/og to v0.6.5

Author: renovate[bot]

package.json

@@ -9,7 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@vercel/og": "0.5.20",
+    "@vercel/og": "0.6.5",
     "next": "^13.0.5",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"