Bump @11ty/eleventy-img from 3.1.0 to 3.1.1

Bumps [@11ty/eleventy-img](https://github.com/11ty/eleventy-img) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/11ty/eleventy-img/releases)
- [Commits](11ty/image@v3.1.0...v3.1.1)

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

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Author: dependabot[bot]