Bump @astrojs/starlight from 0.37.5 to 0.37.6 in the npm group (#86)

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


Updates `@astrojs/starlight` from 0.37.5 to 0.37.6
- [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@0.37.6/packages/starlight)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.37.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -16,7 +16,7 @@
     "@astrojs/markdown-remark": "^6.3.10",
     "@astrojs/rss": "^4.0.15",
     "@astrojs/sitemap": "^3.7.0",
-    "@astrojs/starlight": "^0.37.5",
+    "@astrojs/starlight": "^0.37.6",
     "@astrojs/starlight-tailwind": "^4.0.2",
     "@tailwindcss/vite": "^4.1.18",
     "astro": "^5.17.1",