Merge branch 'use-pixi' into 'main'

.gitignore

.gitlab-ci.yml

.pre-commit-config.yaml

conda/meta.yaml

doc/api.rst

doc/develop.rst

doc/index.rst

doc/install.rst

doc/links.rst

doc/release.rst

pixi.lock

pyproject.toml

src/idiap_devtools/click.py

src/idiap_devtools/conda.py

src/idiap_devtools/gitlab/release.py

src/idiap_devtools/profile.py

src/idiap_devtools/scripts/badges.py

src/idiap_devtools/scripts/changelog.py

src/idiap_devtools/scripts/cli.py

src/idiap_devtools/scripts/env.py