Update dependency mocha to v11

Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
     "eslint": "8.6.0",
     "eslint-config-hexo": "5.0.0",
     "hexo": "7.1.1",
-    "mocha": "10.4.0",
+    "mocha": "11.7.4",
     "nyc": "15.1.0"
   },
   "dependencies": {