Bump axios and @11ty/eleventy (#657)

Removes [axios](https://github.com/axios/axios). It's no longer used after updating ancestor dependency [@11ty/eleventy](https://github.com/11ty/eleventy). These dependencies need to be updated together.


Removes `axios`

Updates `@11ty/eleventy` from 1.0.2 to 3.1.2
- [Release notes](https://github.com/11ty/eleventy/releases)
- [Changelog](https://github.com/11ty/eleventy/blob/main/docs/release-instructions.md)
- [Commits](11ty/eleventy@v1.0.2...v3.1.2)

---
updated-dependencies:
- dependency-name: axios
  dependency-version: 
  dependency-type: indirect
- dependency-name: "@11ty/eleventy"
  dependency-version: 3.1.2
  dependency-type: direct:development
...

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Author: dependabot[bot]