Bump simplejson from 3.17.5 to 3.17.6 (#458)
Bump simplejson from 3.17.5 to 3.17.6 (#458)

Bumps [simplejson](https://github.com/simplejson/simplejson) from 3.17.5 to 3.17.6.
- [Release notes](https://github.com/simplejson/simplejson/releases)
- [Changelog](https://github.com/simplejson/simplejson/blob/master/CHANGES.txt)
- [Commits](https://github.com/simplejson/simplejson/compare/v3.17.5...v3.17.6)

---
updated-dependencies:
- dependency-name: simplejson
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
Kinto/kinto-attachment