Drop support for pydantic v1 #2581

Job	Run time
Render docs	1m 27s
build-linux-test-component (buildx)	2m 25s
build-linux-lint	13s
build-linux-test-component (test_compose.py)	7m 7s
build-linux-test-other	53s
build-windows	1m 42s
build-linux-test-component (test_config.py)	59s
build-linux-test-component (test_container.py)	7m 56s
build-linux-test-component (test_context.py)	45s
build-linux-test-component (test_image.py)	1m 44s
build-linux-test-component (test_manifest.py)	40s
build-linux-test-component (test_network.py)	1m 18s
build-linux-test-component (test_node.py)	1m 16s
build-linux-test-component (test_plugin.py)	53s
build-linux-test-component (test_pod.py)	1m 2s
build-linux-test-component (test_service.py)	2m 54s
build-linux-test-component (test_stack.py)	1m 21s
build-linux-test-component (test_swarm.py)	1m 0s
build-linux-test-component (test_system.py)	1m 22s
build-linux-test-component (test_task.py)	52s
build-linux-test-component (test_volume.py)	59s
	38m 48s

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