test: test upgrade to v0.19.0 — radicle-ci-broker

Signed-off-by: Lars Wirzenius liw@liw.fi

 given a directory reports
 when I touch file run-list.txt
 when I run ./env.sh bash -x verify-upgrade run-list.txt 768af45e7ee9e0606a89e4819ba312cfef558142
 when I run ./env.sh bash -x verify-upgrade run-list.txt 3b71380d86a4eeb4891272b6ca8a13b028bf6ab8
 when I run ./env.sh bash -x verify-upgrade run-list.txt 2f56e46398f03ab88d3de94de1c65c3c309a673c
 when I run ./env.sh bash -x verify-upgrade run-list.txt HEAD
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