Bump underscore and jsonpath in /docker/hello-world-sandbox

Bumps [underscore](https://github.com/jashkenas/underscore) and [jsonpath](https://github.com/dchester/jsonpath). These dependencies needed to be updated together.

Updates `underscore` from 1.9.2 to 1.12.1
- [Commits](jashkenas/underscore@1.9.2...1.12.1)

Updates `jsonpath` from 1.0.2 to 1.1.1
- [Commits](https://github.com/dchester/jsonpath/commits)

---
updated-dependencies:
- dependency-name: underscore
  dependency-type: indirect
- dependency-name: jsonpath
  dependency-type: indirect
...

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Author: dependabot[bot]