chore(deps): bump astro from 5.3.0 to 5.4.0

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 5.3.0 to 5.4.0.
- [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/[email protected]/packages/astro)

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

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

package.json

@@ -23,7 +23,7 @@
     "@spissvinkel/simplex-noise": "^1.0.1",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
-    "astro": "^5.3.0",
+    "astro": "^5.4.0",
     "astro-compress": "^2.3.6",
     "astro-icon": "^1.1.5",
     "astro-robots-txt": "^1.0.0",