Merge pull request #97 from hexojs/dependabot/npm_and_yarn/hexo-4.0.0

chore(dev-deps): Bump hexo from 3.9.0 to 4.0.0

Author: curbengh

package.json

@@ -41,7 +41,7 @@
     "cheerio": "^0.22.0",
     "eslint": "^6.0.1",
     "eslint-config-hexo": "^3.0.0",
-    "hexo": "^3.3.1",
+    "hexo": "^4.0.0",
     "mocha": "^6.0.2",
     "nyc": "14.1.1"
   },