[ci] Fixing git issue

See merge request !288

Patch-bump pytorch for torchvision/python compatibility

See merge request !287

Move pre-commit check in its own stage

See merge request !286

Adapt the qa to not do everything that is there.

This allows to fail early and only once.

Pre-installs ipdb instead of ipython

See merge request !284

[build] Pre-installs ipdb instead of ipython as this package is available on conda-forge;  Installing only ipython makes pip installs longer after the base install

Bump pytorch lightning to 1.6.0

See merge request !283

Upgrade mambaforge installer to the latest version

See merge request !282

Fixes recursive directory upload with checksumming

Closes #94

See merge request !281

This reverts commit 6058ac76.

[bootstrap] Actually checks for the checksum of the downloaded installer to verify it has been updated correctly

Documentation updates; Buildout and Nose deprecation

See merge request !280