Bump vitepress from 1.2.0 to 1.3.1 in /packages/docs

Bumps [vitepress](https://github.com/vuejs/vitepress) from 1.2.0 to 1.3.1.
- [Release notes](https://github.com/vuejs/vitepress/releases)
- [Changelog](https://github.com/vuejs/vitepress/blob/main/CHANGELOG.md)
- [Commits](vuejs/vitepress@v1.2.0...v1.3.1)

---
updated-dependencies:
- dependency-name: vitepress
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

packages/docs/package.json

@@ -37,7 +37,7 @@
 		"prettier-config-common": "^1.4.0",
 		"tsnd": "^1.1.0",
 		"typescript": "^5.4.5",
-		"vitepress": "1.2.0"
+		"vitepress": "1.3.1"
 	},
 	"sideEffects": false,
 	"keywords": [