chore(deps): bump astro from 4.16.13 to 4.16.15

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.16.13 to 4.16.15.
- [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:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -26,7 +26,7 @@
     "@tiptap/pm": "^2.9.1",
     "@tiptap/starter-kit": "^2.9.1",
     "array-move": "^4.0.0",
-    "astro": "4.16.13",
+    "astro": "4.16.15",
     "classnames": "^2.5.1",
     "dedent": "^1.5.3",
     "dexie": "^4.0.9",