fix(deps): update dependency @astrojs/starlight to v0.34.8 (#401)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "@astrojs/check": "0.9.4",
     "@astrojs/cloudflare": "12.6.0",
-    "@astrojs/starlight": "0.34.7",
+    "@astrojs/starlight": "0.34.8",
     "astro": "5.11.1",
     "semver": "7.7.2",
     "sharp": "0.34.2",