[16.0] [ADD] shopinvader unit management (with members and request api)

[paradoxxxzero]

Depends on #1508
Depends on #1490 and OCA/rest-framework#456 for shopinvader_fastapi_auth_partner_api_unit_member

[sebastienbeau]

Create a new cart router, to avoid mounting it by error

[codecov]

Codecov Report

❌ Patch coverage is 94.89489% with 51 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.98%. Comparing base (6f56cba) to head (732ac04).
⚠️ Report is 30 commits behind head on 16.0.

Files with missing lines	Patch %	Lines
shopinvader_unit_management/models/res_partner.py	73.07%	12 Missing and 9 partials ⚠️
shopinvader_api_unit_request/models/sale_order.py	77.96%	5 Missing and 8 partials ⚠️
...auth_partner_api_unit_member/models/res_partner.py	86.48%	3 Missing and 2 partials ⚠️
...der_api_unit_request/routers/unit_request_lines.py	93.54%	3 Missing and 1 partial ⚠️
shopinvader_api_unit_request/schemas.py	90.00%	2 Missing and 2 partials ⚠️
shopinvader_api_unit_request/routers/cart.py	90.90%	1 Missing and 1 partial ⚠️
...request/tests/test_shopinvader_api_unit_request.py	99.21%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             16.0    #1513      +/-   ##
==========================================
- Coverage   95.00%   94.98%   -0.02%     
==========================================
  Files         525      555      +30     
  Lines       10876    11875     +999     
  Branches      553      617      +64     
==========================================
+ Hits        10333    11280     +947     
- Misses        386      414      +28     
- Partials      157      181      +24     

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[github-actions]

There hasn't been any activity on this pull request in the past 4 months, so it has been marked as stale and it will be closed automatically if no further activity occurs in the next 30 days.
If you want this PR to never become stale, please ask a PSC member to apply the "no stale" label.