disable flaky test VulkanAPITest.cat_dim1_mult4ch_nonmult4ch_success (#81582)
Disable flaky VulkanAPITest.cat_dim1_mult4ch_nonmult4ch_success test. Of the last 50 commits, it has failed 3 times.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/81582
Approved by: https://github.com/kirklandsign
