The test suites require guile-2.0 so we have to stay with buster
and cannot upgrade to bullseye (guile-3.0 only).
Related: OS#4969
Change-Id: I30c05efbc6c7a21cad71b207e723ef958f1ac9be
Allows writing a generic Jenkins Job Builder config by renaming the
container folders to match the job names. This needs changes in the
Jenkins jobs, as done in Ie433925ee81a61c5788b4a6f2bc5b89c2689d251.
Related: OS#3268
Change-Id: Iedf9a8cd9af1da674e018a08a977490520e602de