[quant][fx] Add cat to backend_config_dict (#75259)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/75259
att
Test Plan:
python test/test_quantization.py TestQuantizeFx
python test/test_quantization.py TestQuantizeFxOps
python test/test_quantization.py TestFXNumericSuiteCoreAPIs
Imported from OSS
Reviewed By: andrewor14
Differential Revision: D35403586
fbshipit-source-id: 066ace239a7ca5a49463f6fcc2fa10e3efef8794
(cherry picked from commit e4b7d91cc48f3a4c913940bf292272c5418c5cb0)
