Feature request: Implement GroupNormalization-21

### Describe the issue

https://onnx.ai/onnx/operators/onnx__GroupNormalization.html is not implemented according to the opset support table. Most likely it's just reusing the kernel for microsoft.GroupNorm.

- https://github.com/microsoft/onnxruntime/issues/20211
- https://github.com/microsoft/onnxruntime/issues/22697

### To reproduce

N/A

### Urgency

Support for newer opsets in the exporter and be enabled by this improvement. (https://github.com/pytorch/pytorch/pull/152138)

### Platform

Linux

### OS Version

N/A

### ONNX Runtime Installation

Released Package

### ONNX Runtime Version or Commit ID

1.22

### ONNX Runtime API

Python

### Architecture

X64

### Execution Provider

CUDA

### Execution Provider Library Version

_No response_

cc @tianleiwu