
Run dib-functests on bookworm, which should mean that we don't need to pull in the unstable debootstrap (c.f. 7b6247554eaecb22d95e626f44452350cc69645b). This should be good for a while :) (c.f. 1a5c5639205a1ce84719aa999dc7a99a3ead5d37) Change-Id: Ib9240c086eff84e02740d98f02e1846a8a39298d