[Backport 1.x] Bump AWSSDK.Core from 3.7.400.40 to 3.7.400.45 #1446

Job	Run time
YAML Tests (Released OpenSearch) (2.16.0)	4m 4s
YAML Tests (Unreleased OpenSearch) (1.x, 11)	3m 35s
YAML Tests (Unreleased OpenSearch) (2.x, 17)	9m 16s
YAML Tests (Unreleased OpenSearch) (main, 21)	8m 55s
YAML Tests (Released OpenSearch) (2.14.0)	4m 15s
YAML Tests (Released OpenSearch) (2.12.0)	4m 7s
YAML Tests (Released OpenSearch) (2.10.0)	3m 20s
YAML Tests (Released OpenSearch) (2.8.0)	3m 21s
YAML Tests (Released OpenSearch) (2.6.0)	3m 23s
YAML Tests (Released OpenSearch) (2.4.1)	3m 27s
YAML Tests (Released OpenSearch) (2.2.1)	3m 11s
YAML Tests (Released OpenSearch) (2.0.1)	2m 53s
YAML Tests (Released OpenSearch) (1.3.14)	3m 44s
YAML Tests (Released OpenSearch) (1.2.4)	3m 1s
YAML Tests (Released OpenSearch) (1.1.0)	2m 38s
	1h 3m 10s

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