fix: [Bug]: PySDK V3: pydantic-core (2.42.0) incompatibility with sagemaker.ai_regist (5652) #640

Job	Run time
collab-check	5s
wait-for-approval	4s
detect-changes	8s
unit-tests (sagemaker-serve)	45m 54s
unit-tests (sagemaker-core)	1h 0m 33s
codestyle-doc-tests (sagemaker-mlops)	5m 26s
unit-tests (sagemaker-mlops)	34m 23s
codestyle-doc-tests (sagemaker-serve)	5m 29s
integ-tests (sagemaker-mlops)	30m 16s
unit-tests (sagemaker-train)	27m 18s
integ-tests (sagemaker-train)	40m 12s
codestyle-doc-tests (sagemaker-train)	5m 44s
integ-tests (sagemaker-core)	19m 13s
integ-tests (sagemaker-serve)	27m 30s
codestyle-doc-tests (sagemaker-core)	46m 41s
	5h 48m 56s

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