docker compose v2 migration

[dtrifiro]

v2 uses docker compose instead of docker-compose.

Ubuntu gha runners now ship with v2 only, see actions/runner-images#9692

closes https://issues.redhat.com/browse/RHOAIENG-11053

[openshift-ci]

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[openshift-ci]

@dtrifiro: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/images	bd2d774	link	true	/test images

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[dtrifiro]

CI failures unrelated, merging as the smoke test workflow succeeded.