fix: migration messing link between alerts and incidents

[Matvey-Kuk]

Close: #2302

Some context:

• Using pure SQL to make sure future changes of the python model won't break it.
• I don't fix original migration, but create a new one. It should fix the issue for those who already executed the first one.

[vercel]

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1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
keep	⬜️ Ignored (Inspect)			Oct 29, 2024 3:03pm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.52%. Comparing base (7d90ae9) to head (0a19c45).
Report is 65 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2338      +/-   ##
==========================================
+ Coverage   71.20%   71.52%   +0.31%     
==========================================
  Files         154      158       +4     
  Lines       14046    14692     +646     
==========================================
+ Hits        10002    10508     +506     
- Misses       4044     4184     +140     

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[VladimirFilonov]

LGTM