chore(deps): bump astro from 7.1.1 to 7.2.8

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 7.1.1 to 7.2.8.
- [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@7.2.8/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 7.2.8
  dependency-type: direct:production
...

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

sites/docs/package.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@astrojs/starlight": "^0.41.7",
-    "astro": "^7.1.1",
+    "astro": "^7.2.8",
     "sharp": "^0.35.3",
     "starlight-image-zoom": "^0.14.2",
     "starlight-links-validator": "^0.25.3",