Bump hexo-theme-butterfly from 4.13.0 to 5.0.0

Bumps [hexo-theme-butterfly](https://github.com/jerryc127/hexo-theme-butterfly) from 4.13.0 to 5.0.0.
- [Release notes](https://github.com/jerryc127/hexo-theme-butterfly/releases)
- [Commits](jerryc127/hexo-theme-butterfly@4.13...5.0.0)

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

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

package.json

@@ -23,7 +23,7 @@
     "hexo-renderer-marked": "^6.0.0",
     "hexo-renderer-stylus": "^3.0.0",
     "hexo-server": "^3.0.0",
-    "hexo-theme-butterfly": "^4.6.1",
+    "hexo-theme-butterfly": "^5.0.0",
     "hexo-theme-landscape": "^1.0.0",
     "save": "^2.9.0"
   }