DeepSpeed

cc3d7cb9 - Skip test_bias_gelu unit test if torch < 1.12 (#2754)

Skip test_bias_gelu unit test if torch < 1.12 (#2754) This PR adds a torch version check in the test_bias_gelu unit test to skip if the torch version < 1.12. This is due to gelu implementation differences in versions prior to 1.12.