[Quant][PT2E] Add cat and avg_pool2d recipe into x86InductorQuantizer (#106836)
**Summary**
Add `cat` and `avg_pool2d` quantization recipe as input output share observer into `x86InductorQuantizer`.
**Test Plan**
```
clear && python -m pytest test_x86inductor_quantizer.py -k test_cat_recipe
clear && python -m pytest test_x86inductor_quantizer.py -k test_cat_recipe_same_inputs
clear && python -m pytest test_x86inductor_quantizer.py -k test_cat_recipe_single_input
clear && python -m pytest test_x86inductor_quantizer.py -k test_avg_pool2d_recipe
```
Pull Request resolved: https://github.com/pytorch/pytorch/pull/106836
Approved by: https://github.com/jgong5, https://github.com/jerryzh168
