Bump @11ty/eleventy-img from 3.1.8 to 4.0.2

Bumps [@11ty/eleventy-img](https://github.com/11ty/eleventy-img) from 3.1.8 to 4.0.2.
- [Release notes](https://github.com/11ty/eleventy-img/releases)
- [Commits](11ty/eleventy-img@v3.1.8...v4.0.2)

---
updated-dependencies:
- dependency-name: "@11ty/eleventy-img"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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