Use uv in github actions and recommend uv for dev #2651

Job	Run time
build-linux-test-other	31s
Render docs	53s
build-linux-lint	8s
build-linux-test-component (buildx)	2m 9s
build-linux-test-component (test_compose.py)	6m 12s
build-windows	2m 13s
build-linux-test-component (test_config.py)	28s
build-linux-test-component (test_container.py)	7m 43s
build-linux-test-component (test_context.py)	19s
build-linux-test-component (test_image.py)	42s
build-linux-test-component (test_manifest.py)	26s
build-linux-test-component (test_network.py)	55s
build-linux-test-component (test_node.py)	50s
build-linux-test-component (test_plugin.py)	24s
build-linux-test-component (test_pod.py)	41s
build-linux-test-component (test_service.py)	2m 8s
build-linux-test-component (test_stack.py)	1m 4s
build-linux-test-component (test_swarm.py)	36s
build-linux-test-component (test_system.py)	49s
build-linux-test-component (test_task.py)	27s
build-linux-test-component (test_volume.py)	34s
	30m 12s

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