python3Packages.afdko: 3.8.3 -> 3.9.0
3.9.1 is problematic atm because it'll unconditionally use the libxml2
externalproject on linux:
https://github.com/adobe-type-tools/afdko/pull/1527#issuecomment-1172872618
https://github.com/adobe-type-tools/afdko/blob/3.9.0/NEWS.md#390-released-2022-06-23