bring up vulkan 1.1

[nihui]

• vulkan 1.1 entry point
• enable vulkan 1.1 when supported
• get subgroup info
• drop offline spirv
• glsl macro for vulkan 1.1 subgroup
• option for enable vulkan subgroup
• adapt shaderinfo for storage buffer type
• let local size be multiple of subgroup size

[codecov-io]

Codecov Report

Merging #2191 into master will increase coverage by 0.03%.
The diff coverage is 73.58%.

@@            Coverage Diff             @@
##           master    #2191      +/-   ##
==========================================
+ Coverage   86.44%   86.47%   +0.03%     
==========================================
  Files         511      511              
  Lines       82825    83225     +400     
==========================================
+ Hits        71596    71972     +376     
- Misses      11229    11253      +24     

Impacted Files	Coverage Δ
src/gpu.h	100.00% <ø> (ø)
src/layer/arm/innerproduct_arm.cpp	98.24% <ø> (+0.03%)	⬆️
src/layer/arm/interp_arm.h	100.00% <ø> (ø)
src/pipeline.cpp	90.90% <ø> (ø)
src/pipelinecache.cpp	61.50% <ø> (ø)
src/gpu.cpp	75.70% <70.83%> (-0.22%)	⬇️
src/layer/interp.cpp	96.34% <100.00%> (ø)
src/option.cpp	100.00% <100.00%> (ø)
src/layer/arm/convolution_1x1_pack4_bf16s.h	93.44% <0.00%> (-0.65%)	⬇️
src/layer/arm/convolution_1x1_pack4to1_bf16s.h	95.42% <0.00%> (-0.59%)	⬇️
... and 56 more

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