Bump astro from 4.5.4 to 4.5.6

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.5.4 to 4.5.6.
- [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/astro@4.5.6/packages/astro)

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

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

package.json

@@ -41,7 +41,7 @@
 		"files-pipe": "2.1.14"
 	},
 	"devDependencies": {
-		"astro": "4.5.4",
+		"astro": "4.5.6",
 		"esbuild-plugin-copy": "2.1.1",
 		"typescript-esbuild": "0.4.1"
 	},