fix get_big_cpu_count return zero on smp cpu

Ci release shared library (Tencent#2619)

fix gpu extension conditions

smaller initial memory for emscripten target

fix potential divide by zero fault when bf16s / fp16s enabled, fix Te…

…ncent#2125

fix typo

update package script to include glslang, fix ios framework name

bump engine version

fix build without neon

int8 code refactoring wip, add int8 test