Build: Bump mypy-boto3-dynamodb from 1.42.55 to 1.42.73 #8060

Job	Run time
integration-test-s3	6m 54s
integration-test-adls	6m 54s
cibw-dev-env-smoke-test	44s
integration-test-gcs	7m 8s
lint-and-unit-test (3.11)	8m 40s
integration-test	16m 28s
lint-and-unit-test (3.10)	8m 56s
lint-and-unit-test (3.13)	8m 30s
lint-and-unit-test (3.12)	9m 8s
integration-coverage-report	29s
	1h 13m 51s

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