[Swan-commit] Changes to ref refs/heads/main

[Paul Wouters]

New commits:
commit 5cb4ea71800792204de69a9f546ca6a41f377bf3
Author: Paul Wouters <paul.wouters at aiven.io>
Date:   Tue Jan 11 16:35:31 2022 -0500

    building: use ?= instead of = to accept version override