aws v3 migration
also something I would like to deploy to test for, well, testing (but I’d prefer to wait for spis-2024-raport
in this case)
the main changes are apparently that GetObject
now streams, but not necessarily in a kind that express can handle. because we want that freshly synthesized speech gets both stored and send back to the user, I used a buffer instead, because teeing a stream looks quite cumbersome