Bump @astrojs/starlight from 0.37.2 to 0.37.3 (#322)

Bumps [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight) from 0.37.2 to 0.37.3.
- [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@0.37.3/packages/starlight)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.37.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

package-lock.json

@@ -21,7 +21,7 @@
   "dependencies": {
     "@astrojs/check": "^0.9.6",
     "@astrojs/sitemap": "^3.6.1",
-    "@astrojs/starlight": "^0.37.2",
+    "@astrojs/starlight": "^0.37.3",
     "@zachleat/snow-fall": "^1.0.3",
     "astro": "^5.16.8",
     "astro-compress": "^2.3.9",