Bump underscore and jsdoc-to-markdown

Bumps [underscore](https://github.com/jashkenas/underscore) to 1.13.7 and updates ancestor dependency [jsdoc-to-markdown](https://github.com/jsdoc2md/jsdoc-to-markdown). These dependencies need to be updated together.


Updates `underscore` from 1.6.0 to 1.13.7
- [Commits](jashkenas/underscore@1.6.0...1.13.7)

Updates `jsdoc-to-markdown` from 3.0.4 to 9.0.2
- [Release notes](https://github.com/jsdoc2md/jsdoc-to-markdown/releases)
- [Commits](jsdoc2md/jsdoc-to-markdown@v3.0.4...v9.0.2)

---
updated-dependencies:
- dependency-name: underscore
  dependency-type: indirect
- dependency-name: jsdoc-to-markdown
  dependency-type: direct:development
...

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