Bump ecstatic from 3.2.0 to 3.3.2 in /_site/tools/req

Bumps [ecstatic](https://github.com/jfhbrook/node-ecstatic) from 3.2.0 to 3.3.2.
- [Release notes](https://github.com/jfhbrook/node-ecstatic/releases)
- [Changelog](https://github.com/jfhbrook/node-ecstatic/blob/3.3.2/CHANGELOG.md)
- [Commits](jfhbrook/node-ecstatic@3.2.0...3.3.2)

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Author: dependabot[bot]