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

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


Updates `astro` from 4.16.16 to 5.0.9
- [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/[email protected]/packages/astro)

Updates `@astrojs/starlight` from 0.29.2 to 0.30.2
- [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/[email protected]/packages/starlight)

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

Signed-off-by: dependabot[bot] <[email protected]>

mono/apps/site/package.json

@@ -11,6 +11,6 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "4.16.16"
+    "astro": "5.0.9"
   }
 }

mono/docs/starlight/package.json

@@ -2,8 +2,8 @@
   "name": "@gg-monorepo/starlight",
   "version": "0.0.1",
   "dependencies": {
-    "@astrojs/starlight": "0.29.2",
-    "astro": "4.16.16",
+    "@astrojs/starlight": "0.30.2",
+    "astro": "5.0.9",
     "rehype": "13.0.2",
     "sharp": "0.33.5"
   },