* fix pyncnn build

* vulkan-driver-loader.md
* static vulkan on apple

* add option for enabling vulkan in setup.py
* load winograd type options for pybind.
* enable the usage of humbletim/install-vulkan-sdk in ci
* vulkan-loader with release build
* python setup.py install --vulkan=on
* moltenVK for x86_64 macos
* remove universal2  temporarily

Co-authored-by: theflyingzamboni <theaerialzamboni@gmail.com>

* update release ci

* find modern glslang

* parallel jobs on windows

Co-authored-by: ElvisYu <elvisyuovo@gmail.com>
Co-authored-by: 余浩文 <m18107220188@163.com>
Co-authored-by: Zr2223 <67497651+Zr2223@users.noreply.github.com>

* quantize and dequantize tests

* unify activation and usability function

* drop NCNN_REQUANT cmake option, test dequantize requantize pack8, fix webassembly build

* benchmark use requantize int8 model

* use local pool allocator

* detach extract feat from local allocator

* fix test

* add test python vulkan

* add python vulkan ci on linux with 3.6 and 3.8

* fix ci vulkan icd

* fix model zoo download files

* fix yolov4.bin download split

* fix python/examples/shufflenetv2

* add pytest net

* fix typo error

* fix header year

add test mat, blob and paramdict
fix README.md build
print mat'data in python

fix build python with lastest ncnn

* add python
* check elempack when convert ncnn.Mat to numpy.ndarray
fix build with NCNN_STRING=OFF