Changes
* Update numpy (87) yfukai
* updated coverage to 6.0b1 (85) yfukai
* changed west, north to left, top (77) yfukai
:package: Dependencies
* Bump sphinx from 4.1.1 to 4.1.2 in /docs (78) dependabot
* Bump virtualenv from 20.6.0 to 20.7.0 in /.github/workflows (79) dependabot
* Bump pip from 21.1.3 to 21.2.2 in /.github/workflows (80) dependabot
* Bump pandas from 1.3.0 to 1.3.1 (81) dependabot