onnxruntime

cc9d4b62 - Enable l2normalization and dequantizelinear_blocked ops unit tests (#29838)

Enable l2normalization and dequantizelinear_blocked ops unit tests (#29838) ### Description ONNX operators L2norm and DeQuantizeLinear are supported with the latest MLAS and verified for test failures. Removing them from skipped list as it improves op coverage for backends as well. Co-authored-by: hdharpure9922 <harshal.dharpure@intel.com>