To ensure that the linux builds happen on a linux machine.

Implements builds for Apple Silicon

See merge request !263

[data/gitlab-ci/osx-arm64-support] Extends the standard single-package.yaml to support osx-arm64 builds

This reverts commit f78bc4ad.

Fix docker tag checking

Closes #92

See merge request !269

[data/gitlab-ci] adds support for py39 builds

See merge request !268

[scripts.jobs] Fix tag finding on CI

See merge request !267

[ci] Run on machines with the "bob" tag, closes #88

Closes #88

See merge request !266

Streamline macOS build variables on `conda_build_config.yaml`

See merge request !265

[conda_build_config] Streamline macOS build variables following recipe at https://conda-forge.org/docs/maintainer/knowledge_base.html\#requiring-newer-macos-sdks

This reverts commit f1607889.

Do not mix stable and beta channels

Closes #72

See merge request !264

since we have moved to conda-forge, we do not need the stable
channel when building beta packages.

Also, this marks the final change required to conda-forge migration
Fixes #72

Python-only pipelines

Closes #84

See merge request !262

[deploy] Allow deploy script to be used for deploying documentation on python-only packages without installing bob.devtools

Use pytorch 1.8.0 cuda version

See merge request !261