chore(deps): bump hexo-util from 3.3.0 to 4.0.0 (#250)

Bumps [hexo-util](https://github.com/hexojs/hexo-util) from 3.3.0 to 4.0.0.
- [Release notes](https://github.com/hexojs/hexo-util/releases)
- [Commits](hexojs/hexo-util@v3.3.0...v4.0.0)

---
updated-dependencies:
- dependency-name: hexo-util
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -32,7 +32,7 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "hexo-util": "^3.0.1",
+    "hexo-util": "^4.0.0",
     "nunjucks": "^3.2.3"
   },
   "devDependencies": {