[quantized] [executorch] typo (#89960)
Summary: Inefficient impl in python
Test Plan: buck2 test mode/dev //caffe2/test/quantization:test_quantization -- --exact 'caffe2/test/quantization:test_quantization - test_quantized_embedding_byte (caffe2.test.quantization.core.test_quantized_tensor.TestQuantizedTensor)'
Differential Revision: D41627744
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89960
Approved by: https://github.com/jerryzh168
