chore: use dependency-groups (#2064)

* chore: use dependency-groups

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* ci: use dep groups in other CIs

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* Apply suggestions from code review

* chore: read dep groups in noxfile

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* Apply suggestions from code review

Co-authored-by: Matthieu Darbois <mayeut@users.noreply.github.com>

* Add dev environment instructions

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Matthieu Darbois <mayeut@users.noreply.github.com>
Co-authored-by: Joe Rickerby <joerick@mac.com>

.travis.yml

@@ -57,8 +57,8 @@ jobs:
 
 install:
 - if [ "${TRAVIS_OS_NAME}" == "linux" ]; then docker run --rm --privileged docker.io/tonistiigi/binfmt:latest --install all; fi
-- $PYTHON -m pip install -U pip
-- $PYTHON -m pip install -e ".[test]" pytest-custom-exit-code
+- $PYTHON -m pip install -U pip dependency-groups
+- $PYTHON -m dependency_groups test | xargs $PYTHON -m pip install -e.
 
 script: |
   # travis_wait disable the output while waiting