ns for fx: add conv1d weight extraction (#55327)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/55327
Adds NS functionality for extracting weights from `F.conv1d` nodes.
Test Plan:
```
python test/test_quantization.py TestFXNumericSuiteCoreAPIs.test_extract_weights_conv_fun
```
Imported from OSS
Reviewed By: jerryzh168
Differential Revision: D27575425
fbshipit-source-id: 65fa194802ac7a9fb75b7616d962c5c2e71321ff