build(deps-dev): bump @11ty/eleventy (#1207)

Bumps [@11ty/eleventy](https://github.com/11ty/eleventy) from 3.0.0-alpha.14 to 3.0.0-alpha.16.
- [Release notes](https://github.com/11ty/eleventy/releases)
- [Changelog](https://github.com/11ty/eleventy/blob/main/docs/release-instructions.md)
- [Commits](11ty/eleventy@v3.0.0-alpha.14...v3.0.0-alpha.16)

---
updated-dependencies:
- dependency-name: "@11ty/eleventy"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -8,7 +8,7 @@
     "debug": "DEBUG=Eleventy* npx @11ty/eleventy"
   },
   "devDependencies": {
-    "@11ty/eleventy": "3.0.0-alpha.14",
+    "@11ty/eleventy": "3.0.0-alpha.16",
     "@11ty/eleventy-img": "^4.0.2",
     "@11ty/eleventy-navigation": "^0.3.5",
     "@11ty/eleventy-plugin-rss": "^2.0.1",