[release] 3.2.8

CHANGES

CMakeLists.txt

CMakeModules/BoostPython3.cmake

data/config-appimage/modules/finished.conf

lang/calamares_ar.ts

lang/calamares_ast.ts

lang/calamares_be.ts

lang/calamares_bg.ts

lang/calamares_ca.ts

lang/calamares_cs_CZ.ts

lang/calamares_da.ts

lang/calamares_de.ts

lang/calamares_el.ts

lang/calamares_en.ts

lang/calamares_en_GB.ts

lang/calamares_eo.ts

lang/calamares_es.ts

lang/calamares_es_MX.ts

lang/calamares_es_PR.ts

lang/calamares_et.ts