chore(deps-dev): bump typescript-eslint in /templates/astro-app

Bumps [typescript-eslint](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/typescript-eslint) from 8.46.2 to 8.57.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/typescript-eslint/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.57.0/packages/typescript-eslint)

---
updated-dependencies:
- dependency-name: typescript-eslint
  dependency-version: 8.57.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

templates/astro-app/package.json

@@ -32,6 +32,6 @@
     "prettier-plugin-astro": "^0.14.1",
     "prettier-plugin-tailwindcss": "^0.7.2",
     "typescript": "~5.9.3",
-    "typescript-eslint": "^8.46.4"
+    "typescript-eslint": "^8.57.0"
   }
 }