onnxruntime

53057ec1 - [WebNN EP] Support InstanceNormalization and GroupNormalization. (#16604)

[WebNN EP] Support InstanceNormalization and GroupNormalization. (#16604) ### Description Add support for Op InstanceNormalization and GroupNormalization via MeanVarianceNormalization. ### Motivation and Context Enable more models like Olive'ified SD unet to run on WebNN EP.