scheduler: optimize GPU allocate logic

[ZiMengSheng]

Ⅰ. Describe what this PR does

1. 提前将 Pod GPU 申请要求计算好，并存储到 cycleState.GPURequirements
2. 明确 Joint Allocate的逻辑，即先调度主设备，然后在主设备同 PCIE 调度副设备，这里不再耦合 GPU 拓扑感知调度的逻辑, GPU 拓扑感知调度逻辑放到 GPUAllocator 中处理
3. 优化 GPU 按照Partition 分配的逻辑，节省性能
4. 优化 GPU 按照拓扑分配的逻辑，节省性能

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Attention: Patch coverage is 90.27778% with 35 lines in your changes missing coverage. Please review.

Project coverage is 67.32%. Comparing base (0466bf3) to head (799393f).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/scheduler/plugins/deviceshare/allocator_gpu.go	87.19%	16 Missing and 10 partials ⚠️
...eduler/plugins/deviceshare/allocator_gpu_helper.go	96.59%	2 Missing and 1 partial ⚠️
pkg/scheduler/plugins/deviceshare/device_cache.go	81.81%	1 Missing and 1 partial ⚠️
pkg/scheduler/plugins/deviceshare/utils.go	91.30%	1 Missing and 1 partial ⚠️
.../scheduler/plugins/deviceshare/device_allocator.go	94.44%	1 Missing ⚠️
pkg/scheduler/plugins/deviceshare/plugin.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2221      +/-   ##
==========================================
+ Coverage   67.18%   67.32%   +0.13%     
==========================================
  Files         451      453       +2     
  Lines       43480    43681     +201     
==========================================
+ Hits        29214    29409     +195     
- Misses      11718    11726       +8     
+ Partials     2548     2546       -2     

Flag	Coverage Δ
unittests	67.32% <90.27%> (+0.13%)	⬆️

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[hormes]

/lgtm
/approve