fix(deps): update dependency @astrojs/starlight to ^0.34.0

Author: renovate[bot]

package.json

@@ -62,7 +62,7 @@
     "@astrojs/check": "^0.9.4",
     "@astrojs/cloudflare": "^12.0.0",
     "@astrojs/sitemap": "^3.2.1",
-    "@astrojs/starlight": "^0.30.3",
+    "@astrojs/starlight": "^0.34.0",
     "@astrojs/starlight-tailwind": "^3.0.0",
     "@astrojs/tailwind": "^6.0.0",
     "@expressive-code/plugin-collapsible-sections": "^0.41.0",