Add rig-ubuntu24 #28

Job	Run time
stage-1 (r-4-duckdb) / build-and-push-image	22s
stage-1 (rigraph-san) / build-and-push-image	30s
stage-1 (rig-rocky8) / build-and-push-image	17s
stage-1 (rig-debian) / build-and-push-image	20s
stage-1 (rig-ubuntu) / build-and-push-image	41s
stage-1 (r-minimal) / build-and-push-image	18s
stage-1 (tofutf) / build-and-push-image	17s
stage-2 (rig-ubuntu-dbi) / build-and-push-image	20s
stage-2 (rig-ubuntu-duckdb) / build-and-push-image	38s
stage-2 (dm) / build-and-push-image	30s
stage-2 (rig-ubuntu-igraph) / build-and-push-image	29s
stage-2 (rig-ubuntu-revdepcheck) / build-and-push-image	29s
stage-2 (r-postgres) / build-and-push-image	15s
stage-3 (rig-ubuntu-duckdb-dev) / build-and-push-image	21s
	5m 47s

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