feat(data): add custom header support to data schema client #3326

Job	Run time
prebuild	4m 38s
license-test / License tests	41s
tsc-compliance-test / TSC Compliance Test	42s
bundle-size-tests / Bundle size tests	2m 50s
github-actions-test / Github Action format test	37s
unit-tests / get-package-list / Get packages list	9s
unit-tests / Unit Test - @aws-amplify/adapter-nextjs	53s
unit-tests / Unit Test - @aws-amplify/analytics	1m 26s
unit-tests / Unit Test - @aws-amplify/api	43s
unit-tests / Unit Test - @aws-amplify/api-graphql	55s
unit-tests / Unit Test - @aws-amplify/api-rest	41s
unit-tests / Unit Test - @aws-amplify/auth	1m 3s
unit-tests / Unit Test - aws-amplify	1m 7s
unit-tests / Unit Test - @aws-amplify/core	57s
unit-tests / Unit Test - @aws-amplify/datastore	2m 58s
unit-tests / Unit Test - @aws-amplify/datastore-storage-adapter	1m 20s
unit-tests / Unit Test - @aws-amplify/geo	50s
unit-tests / Unit Test - @aws-amplify/interactions	47s
unit-tests / Unit Test - @aws-amplify/notifications	58s
unit-tests / Unit Test - @aws-amplify/predictions	49s
unit-tests / Unit Test - @aws-amplify/pubsub	57s
unit-tests / Unit Test - @aws-amplify/react-native	33s
unit-tests / Unit Test - @aws-amplify/rtn-push-notification	35s
unit-tests / Unit Test - @aws-amplify/rtn-web-browser	34s
unit-tests / Unit Test - @aws-amplify/storage	1m 1s
Unit and Bundle tests have passed	0s
ci - Unit and Bundle tests have passed	1s
	28m 45s

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