Draft: elements/components/python3-buildstream2.bst: Use buildstream 2.2.0dev4
This same commit will be tagged 2.2.0 very soon: https://lists.apache.org/thread/wtf2wcjb83tlh8h1nqtxhlpcw04r76f1 (+3 already)
MR for 23.08: !19166 (closed)
Edited by Javier Jardón