Bump astro from 4.5.15 to 4.5.16

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.5.15 to 4.5.16.
- [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:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -40,7 +40,7 @@
 	},
 	"devDependencies": {
 		"@playform/build": "0.0.2",
-		"astro": "4.5.15"
+		"astro": "4.5.16"
 	},
 	"optionalDependencies": {
 		"@playform/document": "0.0.3"