Bump jsdom from 11.12.0 to 16.5.0 in /boilerplate

Bumps [jsdom](https://github.com/jsdom/jsdom) from 11.12.0 to 16.5.0.
- [Release notes](https://github.com/jsdom/jsdom/releases)
- [Changelog](https://github.com/jsdom/jsdom/blob/master/Changelog.md)
- [Commits](jsdom/jsdom@11.12.0...16.5.0)

---
updated-dependencies:
- dependency-name: jsdom
  dependency-type: direct:production
...

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