chore(deps-dev): bump snake-case from 3.0.4 to 4.0.0

Bumps [snake-case](https://github.com/blakeembrey/change-case) from 3.0.4 to 4.0.0.
- [Release notes](https://github.com/blakeembrey/change-case/releases)
- [Commits](https://github.com/blakeembrey/change-case/compare/snake-case@3.0.4...camel-case@4.0.0)

---
updated-dependencies:
- dependency-name: snake-case
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -29,7 +29,7 @@
     "postcss": "^8.4.30",
     "postcss-cli": "^10.1.0",
     "postcss-import": "^15.1.0",
-    "snake-case": "^3.0.4",
+    "snake-case": "^4.0.0",
     "standard-version": "^9.5.0",
     "tailwindcss": "^3.3.3",
     "vuepress": "2.0.0-beta.67",