ENH: run `pip-install` action with `uv` (#61)

* BEHAVIOR: set editable flag if installing with `uv`

MAINT: update codecov and create PR actions (#58)

* MAINT: bump codecov/codecov-action from 3 to 4
* MAINT: bump peter-evans/create-pull-request from 5 to 6 (#57)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

BEHAVIOR: default to Python 3.9 in workflows (#53)

* DX: switch to Python 3.9 for dev environment

FIX: upload to different artifact names (#52)

MAINT: autoupdate pre-commit hooks (#50)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Remco de Boer <29308176+redeboer@users.noreply.github.com>

DX: set `PYTHONHASHSEED` in `pytest` workflow (#44)

DX: run requirements workflow on comment (#42)

* DX: update `organizeImports` VSCode setting

DX: set `PRETTIER_LEGACY_CLI` when Prettier v4 alpha (#41)

* FIX: checkout branch

ENH: build packages with `build` (#38)

FIX: support `pyproject` in pytest job matrix (#30)