Bump ejs and @11ty/eleventy

Bumps [ejs](https://github.com/mde/ejs) to 3.1.8 and updates ancestor dependency [@11ty/eleventy](https://github.com/11ty/eleventy). These dependencies need to be updated together.


Updates `ejs` from 2.7.4 to 3.1.8
- [Release notes](https://github.com/mde/ejs/releases)
- [Changelog](https://github.com/mde/ejs/blob/main/CHANGELOG.md)
- [Commits](mde/ejs@v2.7.4...v3.1.8)

Updates `@11ty/eleventy` from 0.12.1 to 1.0.2
- [Release notes](https://github.com/11ty/eleventy/releases)
- [Changelog](https://github.com/11ty/eleventy/blob/master/docs/release-instructions.md)
- [Commits](11ty/eleventy@v0.12.1...v1.0.2)

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

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Author: dependabot[bot]