* setup.py: Respect the PKG_CONFIG environment variable
* Make import_cairo inline in addition to static
* docs: Fix example in Pattern.set_filter() docs _pr_`221`
* docs: Fix build with newer sphinx
* docs: Fix NumPy width, height-conventions in examples
* docs: Last parameter of rel_curve_to should be dy3, not dy4
* mypy: Fixes for mypy 0.800+
* mypy: Don't run mypy via pytest
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-pycairo?expand=0&rev=12