Bumps [mongomock]() from 3.21.0 to 3.22.0.

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

Bumps [pymatgen](https://github.com/materialsproject/pymatgen) from 2020.12.18 to 2020.12.31.
- [Release notes](https://github.com/materialsproject/pymatgen/releases)
- [Changelog](https://github.com/materialsproject/pymatgen/blob/master/CHANGES.rst)
- [Commits](materialsproject/pymatgen@v2020.12.18...v2020.12.31)

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

Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.13.2 to 0.13.3.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](encode/uvicorn@0.13.2...0.13.3)

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

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 6.2.2 to 6.2.3.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/docs/changelog.md)
- [Commits](squidfunk/mkdocs-material@6.2.2...6.2.3)

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

Bumps [invoke](https://github.com/bitprophet/alabaster) from 1.4.1 to 1.5.0.
- [Release notes](https://github.com/bitprophet/alabaster/releases)
- [Changelog](https://github.com/bitprophet/alabaster/blob/master/docs/changelog.rst)
- [Commits](https://github.com/bitprophet/alabaster/commits)

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

…k-3.22.0', 'origin/dependabot/pip/master/pymatgen-2020.12.31', 'origin/dependabot/pip/master/mkdocs-material-6.2.3', 'origin/dependabot/pip/master/uvicorn-0.13.3' and 'origin/dependabot/pip/master/invoke-1.5.0' into update_deps