Test on more versions of Python (#563)

* Add Python versions from 3.8 to the GHA test matrix

* Improve error message for missing conda-recipe-manager

* Remove conda-recipe-manager from environment.yml

* Enable new-style type annotations for py<3.10

* Apply ruff fixes

* Split double context manager call

This enables Python 3.8 compatibility

* Switch to setup-micromamba

* Install conda-recipe-manager in CI if possible

[pre-commit.ci] pre-commit autoupdate (#561)

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.6.4 → v0.6.7](astral-sh/ruff-pre-commit@v0.6.4...v0.6.7)

Co-authored-by: pre-commit-ci[bot] <66853113 pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Marcelo Duarte Trevisani <[email protected]>

Move conda_recipe_manager to be optional dependency (#555)

[pre-commit.ci] pre-commit autoupdate (#524)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 23.12.1 → 24.8.0](psf/black@23.12.1...24.8.0)
- [github.com/asottile/blacken-docs: 1.16.0 → 1.18.0](adamchainz/blacken-docs@1.16.0...1.18.0)
- [github.com/pre-commit/pre-commit-hooks: v4.5.0 → v4.6.0](pre-commit/pre-commit-hooks@v4.5.0...v4.6.0)
- [github.com/PyCQA/flake8: 7.0.0 → 7.1.1](PyCQA/flake8@7.0.0...7.1.1)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113 pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Marcelo Duarte Trevisani <[email protected]>

Add opencv-python-headless to strategy/config.yaml (#530)

[pre-commit.ci] pre-commit autoupdate (#515)

updates:
- [github.com/psf/black: 23.11.0 → 23.12.1](psf/black@23.11.0...23.12.1)
- [github.com/PyCQA/isort: 5.13.0 → 5.13.2](PyCQA/isort@5.13.0...5.13.2)

Co-authored-by: pre-commit-ci[bot] <66853113 pre-commit-ci[bot]@users.noreply.github.com>

[pre-commit.ci] pre-commit autoupdate (#515)

updates:
- [github.com/psf/black: 23.11.0 → 23.12.1](psf/black@23.11.0...23.12.1)
- [github.com/PyCQA/isort: 5.13.0 → 5.13.2](PyCQA/isort@5.13.0...5.13.2)

Co-authored-by: pre-commit-ci[bot] <66853113 pre-commit-ci[bot]@users.noreply.github.com>

Fix star operator (#503)

* Fix when a start operator is in place that can lead to the wrong name clashing with the same package name without a star

Drop Python 3.6 for --strict-conda-forge (#498)

* Drop Python 3.6 for --strict-conda-forge

* Freeze supported python for --strict-conda-forge in tests

Fix when receiving a None object inside of a list for requirements (#490

)

* Fix when receivinngn a None object inside of a list for requirements

* Add test for remove_all_inner_nones