Merge pull request #949 from htm-community/release_py38_py39

Build releases for python versions 3.8 and 3.9

Merge pull request #819 from htm-community/pypi_cibuildwheel

CI CIBW pypi releases

Merge pull request #818 from htm-community/pypi_cibuildwheel

pybind Random: fix cast signedness

Merge pull request #816 from htm-community/pypi_cibuildwheel

CIBW: bump OSX to 10.15

Merge pull request #815 from htm-community/pypi_cibuildwheel

CIBW: force higher OSX version for c++17 compatibility

Merge pull request #814 from htm-community/pypi_cibuildwheel

PyPI: install dependencies before the CIBW build

Merge pull request #813 from htm-community/pypi_cibuildwheel

CI: forgot to checkout git source in CIBW build

Merge pull request #812 from htm-community/pypi_cibuildwheel

CI: fix version for CIBW

Merge pull request #811 from htm-community/pypi_cibuildwheel

CI: separate builds for GH Release and PyPI

Merge pull request #810 from htm-community/pypi_cibuildwheel

CI: publish pypi using download artifact