Bump astro from 4.14.3 to 4.15.12

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.14.3 to 4.15.12.
- [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@4.15.12/packages/astro)

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

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

package.json

@@ -19,7 +19,7 @@
 		"@astrojs/rss": "4.0.7",
 		"@astrojs/sitemap": "3.1.6",
 		"@astrojs/tailwind": "5.1.0",
-		"astro": "4.14.3",
+		"astro": "4.15.12",
 		"astro-expressive-code": "^0.35.6",
 		"astro-icon": "^1.1.1",
 		"astro-robots-txt": "^1.0.0",