chore(deps): bump the deps group across 1 directory with 2 updates

Bumps the deps group with 2 updates in the /astro-starlight directory: [@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 0.27.1 to 0.32.0
- [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@0.32.0/packages/starlight)

Updates `astro` from 4.15.7 to 5.3.0
- [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@5.3.0/packages/astro)

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

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

Author: dependabot[bot]

astro-starlight/package.json

@@ -10,8 +10,8 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/starlight": "^0.27.1",
-    "astro": "^4.15.7",
+    "@astrojs/starlight": "^0.32.0",
+    "astro": "^5.3.0",
     "sharp": "^0.33.5"
   }
 }