Bump astro from 5.5.5 to 5.5.6 in the astro group

Bumps the astro group with 1 update: [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro).


Updates `astro` from 5.5.5 to 5.5.6
- [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-version: 5.5.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: astro
...

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

Author: dependabot[bot]

package-lock.json

@@ -50,7 +50,7 @@
     "@rollup/plugin-terser": "^0.4.4",
     "@typescript-eslint/eslint-plugin": "^8.28.0",
     "@typescript-eslint/parser": "^8.28.0",
-    "astro": "^5.5.5",
+    "astro": "^5.5.6",
     "astro-eslint-parser": "^1.2.2",
     "autoprefixer": "^10.4.21",
     "bundlewatch": "^0.4.0",