Added Ubuntu 24.04 tests

Co-authored-by: Jules Pénuchot <jules@penuchot.com>

See merge request oss/rotgen!33

docker-here.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# Helper script to facilitate debugging in a Dockerized environment
+
+docker container run \
+  -v $(pwd):$(pwd) -w $(pwd) -i -t \
+  ubuntu:24.04 \
+  /bin/bash