[quant][graphmode][fx][eagermode] Add leaky relu support in quantization workflows

[jerryzh168]

Stack from ghstack:

• [quant][fx][graphmode] Add support for sigmoid #45885 [quant][fx][graphmode] Add support for sigmoid
• [quant][eagermode] Add support for sigmoid module #45884 [quant][eagermode] Add support for sigmoid module
• [quant] Add quantized Sigmoid module #45883 [quant] Add quantized Sigmoid module
• [quant] Add quantized::sigmoid that take output_scale/output_zero_point as input #45882 [quant] Add quantized::sigmoid that take output_scale/output_zero_point as input
• [quant][graphmode][fx] Add warning for unsupported case #45714 [quant][graphmode][fx] Add warning for unsupported case
• [quant][graphmode][fx][eagermode] Add leaky relu support in quantization workflows #45712 [quant][graphmode][fx][eagermode] Add leaky relu support in quantization workflows
• [quant] Add quantized LeakyReLU module #45711 [quant] Add quantized LeakyReLU module
• [quant] Add quantized::leaky_relu that takes scale/zero_point as input #45702 [quant] Add quantized::leaky_relu that takes scale/zero_point as input

Summary:
Eager mode will still be able to use functional leaky relu, but it will be less accurate than
LeakyReLU module.
FX graph mode will support both leaky relu functional and module

Test Plan:

Reviewers:

Subscribers:

Tasks:

Tags:

Differential Revision: D24069961

[codecov]

Codecov Report

Merging #45712 into gh/jerryzh168/450/base will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@                   Coverage Diff                   @@
##           gh/jerryzh168/450/base   #45712   +/-   ##
=======================================================
  Coverage                   68.32%   68.33%           
=======================================================
  Files                         410      410           
  Lines                       52994    52992    -2     
=======================================================
  Hits                        36210    36210           
+ Misses                      16784    16782    -2     

Impacted Files	Coverage Δ
torch/quantization/quantization_mappings.py	85.10% <ø> (ø)
torch/quantization/fx/quantization_patterns.py	89.30% <100.00%> (-0.06%)	⬇️
torch/utils/benchmark/utils/common.py	96.40% <0.00%> (-0.72%)	⬇️
torch/testing/_internal/expecttest.py	78.57% <0.00%> (+1.02%)	⬆️
torch/nn/quantized/modules/activation.py	92.06% <0.00%> (+3.17%)	⬆️

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[facebook-github-bot]

This pull request has been merged in 0da6730.