build(deps): bump mozphab from 1.5.2 to 1.6.0 in /integration (#2363)

Bumps [mozphab](https://github.com/mozilla-conduit/review) from 1.5.2 to 1.6.0.
- [Release notes](https://github.com/mozilla-conduit/review/releases)
- [Commits](https://github.com/mozilla-conduit/review/compare/1.5.2...1.6)

---
updated-dependencies:
- dependency-name: mozphab
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

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