Update dependency model-bakery to v1.20.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
model-bakery	1.20.1 -> 1.20.3

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Release Notes

model-bakers/model_bakery (model-bakery)

v1.20.3

Compare Source

Changed

• Fix support of auto_now and auto_now_add fields in combination with _fill_optional
• Isolate Recipe defaults to prevent modification via instances

v1.20.2

Compare Source

Changed

• Fix setting GFK parameter by a callable
• Fix regression forbidding using Proxy models as GFK

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (270cab4) to head (0fbbac5).
Report is 1 commits behind head on master.

Additional details and impacted files

@@      Coverage Diff      @@
##   master   #154   +/-   ##
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