[ROCm] Optimize ROCm CI pipeline 2 (#16691)
- Set `KERNEL_EXPLORER_TEST_USE_CUPY=1` to replace numpy with cupy on
kernel explorer test.
KERNEL_EXPLORER_TEST_USE_CUPY=0 The CPU utilization is shown as below:

KERNEL_EXPLORER_TEST_USE_CUPY=1 The CPU utilization is shown as below:

- Use `Bash@3`.
- Update shell script.