chore(deps): bump the npm group with 2 updates (#954)

Bumps the npm group with 2 updates: [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight) and [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro).


Updates `@astrojs/starlight` from 0.35.3 to 0.36.0
- [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@0.36.0/packages/starlight)

Updates `astro` from 5.13.8 to 5.13.9
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/astro@5.13.9/packages/astro)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.36.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: npm
- dependency-name: astro
  dependency-version: 5.13.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm
...

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

Author: dependabot[bot]

package-lock.json

@@ -15,8 +15,8 @@
   },
   "dependencies": {
     "@astrojs/sitemap": "^3.6.0",
-    "@astrojs/starlight": "^0.35.3",
-    "astro": "^5.13.8",
+    "@astrojs/starlight": "^0.36.0",
+    "astro": "^5.13.9",
     "sharp": "^0.34.4"
   },
   "devDependencies": {