fix(deps): update dependency @astrojs/starlight to ^0.30.1

Author: renovate[bot]

package.json

@@ -10,7 +10,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/starlight": "^0.29.3",
+    "@astrojs/starlight": "^0.30.1",
     "astro": "^4.16.17",
     "astro-auto-import": "^0.4.4",
     "remark-definition-list": "^2.0.0",