* Update optimade[mongo] requirement from ~=0.16.6 to ~=0.16.7

Updates the requirements on [optimade[mongo]](https://github.com/Materials-Consortia/optimade-python-tools) to permit the latest version.
- [Release notes](https://github.com/Materials-Consortia/optimade-python-tools/releases)
- [Changelog](https://github.com/Materials-Consortia/optimade-python-tools/blob/master/CHANGELOG.md)
- [Commits](Materials-Consortia/optimade-python-tools@v0.16.6...v0.16.7)

---
updated-dependencies:
- dependency-name: optimade[mongo]
  dependency-type: direct:production
...

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

* Update AiiDA/OPTIMADE

* Update parser grammar version in tests

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: The AiiDA Team <developers@aiida.net>
Co-authored-by: Casper Welzel Andersen <casper.w.andersen@sintef.no>