Use uv in github actions and recommend uv for dev #2636

Job	Run time
build-windows	1m 45s
build-linux-lint	17s
build-linux-test-other	32s
build-linux-test-component (buildx)	2m 6s
Render docs	1m 7s
build-linux-test-component (test_compose.py)	6m 41s
build-linux-test-component (test_config.py)	45s
build-linux-test-component (test_container.py)	7m 24s
build-linux-test-component (test_context.py)	26s
build-linux-test-component (test_image.py)	48s
build-linux-test-component (test_manifest.py)	31s
build-linux-test-component (test_network.py)	1m 2s
build-linux-test-component (test_node.py)	1m 6s
build-linux-test-component (test_plugin.py)	46s
build-linux-test-component (test_pod.py)	47s
build-linux-test-component (test_service.py)	2m 23s
build-linux-test-component (test_stack.py)	1m 15s
build-linux-test-component (test_swarm.py)	44s
build-linux-test-component (test_system.py)	59s
build-linux-test-component (test_task.py)	38s
build-linux-test-component (test_volume.py)	39s
	32m 41s

Provide feedback