CI: bootstrapping is only tested on 9.2.2 (not 9.2.4; not 9.4.1)
In #22342 (closed) I removed the outdated 9.0 test, but 9.4 should be added and 9.2 should be updated.
In #22342 (closed) I removed the outdated 9.0 test, but 9.4 should be added and 9.2 should be updated.