chore(deps): update dependency @types/next-auth to v3.15.0

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
     "react-markdown": "8.0.2"
   },
   "devDependencies": {
-    "@types/next-auth": "3.13.0",
+    "@types/next-auth": "3.15.0",
     "@types/node": "16.18.66",
     "@types/react": "17.0.44",
     "dotenv": "^17.2.3",