Bump hexo from 7.0.0 to 7.1.1

Bumps [hexo](https://github.com/hexojs/hexo) from 7.0.0 to 7.1.1.
- [Release notes](https://github.com/hexojs/hexo/releases)
- [Commits](hexojs/hexo@v7.0.0...v7.1.1)

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

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

package.json

@@ -6,7 +6,7 @@
     "version": "7.0.0"
   },
   "dependencies": {
-    "hexo": "7.0.0",
+    "hexo": "7.1.1",
     "hexo-clean-css": "^2.0.0",
     "hexo-generator-feed": "^3.0.0",
     "hexo-generator-index": "^3.0.0",