Add skip condition for ROCm in QAT test case

[petrex]

This commit adds a decorator to skip the test_qat_8da4w_prepare_vs_convert test if ROCm support is not fully enabled, improving test management for different environments.

[pytorch-bot]

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❌ 1 New Failure, 13 Pending

As of commit 9b7e84d with merge base a37f4e4 ():

NEW FAILURE - The following job has failed:

• Code Analysis with Ruff / build (3.9) (gh)

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[petrex]

TestQAT.test_qat_8da4w_prepare_vs_convert_* failing in CI. --> irrelevant.

[petrex]

close as feature reverted. refer to #2113