Bump @hapi/content from 6.0.0 to 6.0.1 in /sandbox

Bumps [@hapi/content](https://github.com/hapijs/content) from 6.0.0 to 6.0.1.
- [Commits](hapijs/content@v6.0.0...v6.0.1)

---
updated-dependencies:
- dependency-name: "@hapi/content"
  dependency-version: 6.0.1
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]