Specify ubuntu-24.04 in the GitHub actions config #2617

Job	Run time
build-windows	1m 45s
build-linux-test-other	39s
build-linux-test-component (buildx)	3m 2s
build-linux-lint	18s
build-linux-test-component (test_compose.py)	6m 39s
Render docs	1m 10s
build-linux-test-component (test_config.py)	39s
build-linux-test-component (test_container.py)	7m 24s
build-linux-test-component (test_context.py)	35s
build-linux-test-component (test_image.py)	1m 28s
build-linux-test-component (test_manifest.py)	35s
build-linux-test-component (test_network.py)	1m 29s
build-linux-test-component (test_node.py)	1m 3s
build-linux-test-component (test_plugin.py)	40s
build-linux-test-component (test_pod.py)	50s
build-linux-test-component (test_service.py)	2m 20s
build-linux-test-component (test_stack.py)	1m 0s
build-linux-test-component (test_swarm.py)	46s
build-linux-test-component (test_system.py)	1m 5s
build-linux-test-component (test_task.py)	43s
build-linux-test-component (test_volume.py)	38s
	34m 48s

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