build(deps-dev): bump @11ty/eleventy from 3.0.0 to 3.1.0

Bumps [@11ty/eleventy](https://github.com/11ty/eleventy) from 3.0.0 to 3.1.0.
- [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...v3.1.0)

---
updated-dependencies:
- dependency-name: "@11ty/eleventy"
  dependency-version: 3.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]