community/drawterm: upgrade to 0_git20240320
Also: Enable proper ppc64le support.
See https://git.9front.org/plan9front/drawterm/77b464a5d5648bb646467111b8faf719cd5c46b6/commit.html
We are currently working on getting Alpine Linux 3.21 out. This means that merge requests that are not aimed to help with that (only affecting testing, new aports) have a lower priority at the moment. Please be patient, they will be eventually picked up.
Also: Enable proper ppc64le support.
See https://git.9front.org/plan9front/drawterm/77b464a5d5648bb646467111b8faf719cd5c46b6/commit.html