Disable some flaky vulkan_api_test (#81509)
Summary:
VulkanAPITest.cat_dim1_twotensors_success and VulkanAPITest.cat_dim1_samefeature_success seem to be a bit flaky on master
minihud link to view the errors: https://hud.pytorch.org/minihud?name_filter=vulkan
Test Plan: github ci
Differential Revision: D37868476
Pull Request resolved: https://github.com/pytorch/pytorch/pull/81509
Approved by: https://github.com/clee2000
