chore(dev): update dependency alembic to v1.18.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
alembic (changelog)	==1.16.5 → ==1.18.3

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.99%. Comparing base (eeb24a6) to head (721b970).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #851   +/-   ##
=======================================
  Coverage   65.99%   65.99%           
=======================================
  Files          46       46           
  Lines        2926     2926           
  Branches      342      342           
=======================================
  Hits         1931     1931           
  Misses        954      954           
  Partials       41       41           

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