Bump send and @11ty/eleventy-dev-server

Bumps [send](https://github.com/pillarjs/send) and [@11ty/eleventy-dev-server](https://github.com/11ty/eleventy-dev-server). These dependencies needed to be updated together.

Updates `send` from 0.18.0 to 0.19.0
- [Release notes](https://github.com/pillarjs/send/releases)
- [Changelog](https://github.com/pillarjs/send/blob/master/HISTORY.md)
- [Commits](pillarjs/send@0.18.0...0.19.0)

Updates `@11ty/eleventy-dev-server` from 2.0.3 to 2.0.4
- [Release notes](https://github.com/11ty/eleventy-dev-server/releases)
- [Commits](11ty/eleventy-dev-server@v2.0.3...v2.0.4)

---
updated-dependencies:
- dependency-name: send
  dependency-type: indirect
- dependency-name: "@11ty/eleventy-dev-server"
  dependency-type: indirect
...

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