build(deps): bump hexo-server from 2.0.0 to 3.0.0 (#56)

Bumps [hexo-server](https://github.com/hexojs/hexo-server) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/hexojs/hexo-server/releases)
- [Commits](https://github.com/hexojs/hexo-server/compare/2.0.0...3.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

package.json

@@ -20,7 +20,7 @@
     "hexo-renderer-ejs": "^2.0.0",
     "hexo-renderer-marked": "^4.0.0",
     "hexo-renderer-stylus": "^2.0.0",
-    "hexo-server": "^2.0.0",
+    "hexo-server": "^3.0.0",
     "hexo-theme-landscape": "^0.0.3"
   }
 }