Bump ecstatic from 2.2.1 to 2.2.2

Bumps [ecstatic](https://github.com/jfhbrook/node-ecstatic) from 2.2.1 to 2.2.2.
- [Release notes](https://github.com/jfhbrook/node-ecstatic/releases)
- [Changelog](https://github.com/jfhbrook/node-ecstatic/blob/2.2.2/CHANGELOG.md)
- [Commits](jfhbrook/node-ecstatic@2.2.1...2.2.2)

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Author: dependabot[bot]