Move jobs in onnxruntime-Win2022-GPU-T4 machine pool to onnxruntime-Win2022-GPU-A10 (#21023)
### Description
Move jobs in onnxruntime-Win2022-GPU-T4 machine pool to
onnxruntime-Win2022-GPU-A10
### Motivation and Context
To reduce the variants of VM images we need to maintain. Now we have 3:
1. Windows 2022 CPU
2. Windows 2022 GPU A10
3. Windows 2022 GPU T4
This change allows us removing the last one.