[ONNX] Add support for GroupNormalization v.21 (#32700)
### Details:
Add support for GropuNormalization v.21 ONNX operation.
v21 vs v18 differences:
https://onnx.ai/onnx/operators/onnx__GroupNormalization.html
Scale & Bias inputs now have shape [C] (channels) instead of
[num_groups]
stash_type attribute present which determines precision for the first
part of calculations
### Tickets:
- [CVS-139937](https://jira.devtools.intel.com/browse/CVS-139937)
Signed-off-by: Andrii Staikov <andrii.staikov@intel.com>
