build(deps-dev): bump astro from 4.15.8 to 4.16.1

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.15.8 to 4.16.1.
- [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@4.16.1/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-type: direct:development
...

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

Author: dependabot[bot]

apps/outreach/package.json

@@ -27,7 +27,7 @@
     "@astrojs/tailwind": "^5.1.0",
     "@opendatacapture/runtime-core": "workspace:*",
     "@tailwindcss/typography": "^0.5.15",
-    "astro": "^4.15.4",
+    "astro": "^4.16.1",
     "github-slugger": "^2.0.0",
     "sharp": "^0.33.5",
     "tailwindcss": "^3.4.10",