build(deps): bump astro from 4.0.7 to 4.0.8

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.0.7 to 4.0.8.
- [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/[email protected]/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "@astrojs/sitemap": "^3.0.3",
     "@types/node": "^20.10.5",
-    "astro": "^4.0.7",
+    "astro": "^4.0.8",
     "cheerio": "1.0.0-rc.12",
     "date-fns": "^3.0.6",
     "highlight.js": "^11.9.0",