update GitHub actions

fix Python version reported in --version output

add flake8 job to build.yaml

use compact formatting for dependency-groups

extend documentation for pyproject.toml switch

move dev dependencies to dependency-groups and typecheck to separate job

bump version for development

release 0.8

use parenthesis when unpacking and fix some flake8

work around mypy platform false positives

further increase mypy strictness and fix type warnings

increase mypy strictness

add mypy typechecking to build and fix type annotation warnings

fix flake8 warnings

add Python 3.14 to build matrix