community/py3-complexheatmap: disable on s390x
Fixes error found during 3.19 rebuild: https://build.alpinelinux.org/buildlogs/build-3-19-s390x/community/py3-complexheatmap/py3-complexheatmap-1.5.4-r1.log
Fixes error found during 3.19 rebuild: https://build.alpinelinux.org/buildlogs/build-3-19-s390x/community/py3-complexheatmap/py3-complexheatmap-1.5.4-r1.log