chore(deps): bump hexo from 7.3.0 to 8.1.0

Bumps [hexo](https://github.com/hexojs/hexo) from 7.3.0 to 8.1.0.
- [Release notes](https://github.com/hexojs/hexo/releases)
- [Commits](hexojs/hexo@v7.3.0...v8.1.0)

---
updated-dependencies:
- dependency-name: hexo
  dependency-version: 8.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -29,7 +29,7 @@
   "dependencies": {
     "bulma-stylus": "0.8.0",
     "deepmerge": "^4.3.1",
-    "hexo": "^7.1.1",
+    "hexo": "^8.1.0",
     "hexo-component-inferno": "^3.1.2",
     "hexo-log": "^4.1.0",
     "hexo-pagination": "^3.0.0",