* Drop support of Python 3.5 and 3.6, add support of Python 3.9,
3.10 and 3.11
* Support crispEdges value for text antialiasing
* Don’t crash when including CMYK images
* Only update docstrings when not optimized
* Don’t restore current point after empty paths
* Assume that 1ch equals 0.5em
* Fix various deprecation warnings
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-CairoSVG?expand=0&rev=23
