chore(deps): bump the minorandpatch group in /docs with 1 update

Bumps the minorandpatch group in /docs with 1 update: [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight).


Updates `@astrojs/starlight` from 0.15.4 to 0.16.0
- [Release notes](https://github.com/withastro/starlight/releases)
- [Changelog](https://github.com/withastro/starlight/blob/main/packages/starlight/CHANGELOG.md)
- [Commits](https://github.com/withastro/starlight/commits/@astrojs/starlight@0.16.0/packages/starlight)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minorandpatch
...

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

docs/package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@astrojs/check": "^0.4.1",
-    "@astrojs/starlight": "^0.15.4",
+    "@astrojs/starlight": "^0.16.0",
     "astro": "^4.2.1",
     "sharp": "^0.33.2",
     "typescript": "^5.3.3"