Update dependency hexo to v3.9.0

Author: renovate-bot

package.json

@@ -6,7 +6,7 @@
     "version": "3.8.0"
   },
   "dependencies": {
-    "hexo": "3.8.0",
+    "hexo": "3.9.0",
     "hexo-browsersync": "0.2.0",
     "hexo-deployer-git": "0.2.0",
     "hexo-generator-archive": "0.1.5",