feature: 订阅支持业务集 (closed #1724)

[CohleRustW]

PR

CheckList（PR Assigners）

确认已完成以下操作：

• 已将分支与当前合入分支同步
• 已在关联 Issue 中补充「功能自测」部分内容
• 已更新关联 Issue 的状态 backlog -> todo -> for test -> tested（需通过测试同学测试） -> done
• 将 PR 添加上 pr/reviewable

CheckList（PR Reviewers）

确认已完成以下操作：

• 检查关联 Issue 「功能自测」部分内容
• 必要时打回 pr/reviewable，要求重新修改
• 及时 Approve

[codecov-commenter]

Codecov Report

Merging #1912 (a49cd53) into v2.4.4-dev (322d00e) will increase coverage by 0.65%.
Report is 2 commits behind head on v2.4.4-dev.
The diff coverage is 93.57%.

@@              Coverage Diff               @@
##           v2.4.4-dev    #1912      +/-   ##
==============================================
+ Coverage       74.58%   75.24%   +0.65%     
==============================================
  Files             403      403              
  Lines           27758    27844      +86     
==============================================
+ Hits            20703    20950     +247     
+ Misses           7055     6894     -161     

Files	Coverage Δ
apps/backend/constants.py	98.07% <100.00%> (+0.03%)	⬆️
apps/backend/subscription/commons.py	95.16% <100.00%> (+14.83%)	⬆️
apps/backend/subscription/errors.py	100.00% <100.00%> (ø)
apps/backend/subscription/serializers.py	91.61% <100.00%> (ø)
apps/backend/subscription/tasks.py	71.93% <100.00%> (+2.13%)	⬆️
apps/node_man/models.py	78.40% <100.00%> (+0.95%)	⬆️
apps/node_man/serializers/base.py	79.56% <100.00%> (+21.99%)	⬆️
apps/backend/subscription/tools.py	64.01% <96.87%> (+5.56%)	⬆️
apps/backend/subscription/views.py	52.72% <75.00%> (+1.47%)	⬆️
apps/node_man/handlers/cmdb.py	74.14% <90.00%> (+0.52%)	⬆️
... and 1 more

... and 12 files with indirect coverage changes