Use uv in github actions and recommend uv for dev #2640

Job	Run time
Render docs	1m 8s
build-linux-lint	9s
build-linux-test-other	38s
build-linux-test-component (buildx)	2m 4s
build-linux-test-component (test_compose.py)	16s
build-windows	1m 6s
build-linux-test-component (test_config.py)	24s
build-linux-test-component (test_container.py)	7m 16s
build-linux-test-component (test_context.py)	40s
build-linux-test-component (test_image.py)	39s
build-linux-test-component (test_manifest.py)	33s
build-linux-test-component (test_network.py)	53s
build-linux-test-component (test_node.py)	52s
build-linux-test-component (test_plugin.py)	45s
build-linux-test-component (test_pod.py)	35s
build-linux-test-component (test_service.py)	2m 5s
build-linux-test-component (test_stack.py)	50s
build-linux-test-component (test_swarm.py)	1m 6s
build-linux-test-component (test_system.py)	1m 32s
build-linux-test-component (test_task.py)	40s
build-linux-test-component (test_volume.py)	27s
	24m 38s

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