Update astro requirement from ^5.11.2 to ^5.12.0

Updates the requirements on [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) to permit the latest version.
- [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@5.12.0/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 5.12.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -34,7 +34,7 @@
 		"prepublishOnly": "Build 'Source/**/*.ts'"
 	},
 	"dependencies": {
-		"astro": "^5.11.2"
+		"astro": "^5.12.0"
 	},
 	"devDependencies": {
 		"@playform/build": "0.2.5"