test: Adding timeout for integration test

[ananth102]

Issue #, if available: N/A

Description of changes:

• Inference component integration test can sometimes time out, this pull request adds a marker to time out at 1 hour.

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[ack-prow]

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This pull-request has been approved by: ananth102

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[ananth102]

/retest

[ack-prow]

@ananth102: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
sagemaker-verify-attribution	106575a	link	false	/test sagemaker-verify-attribution
sagemaker-kind-e2e	106575a	link	true	/test sagemaker-kind-e2e

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