test: add pydantic requirement to test-bento

[jjmachan]

Description

closes:

[codecov]

Codecov Report

Merging #186 (1fc83d2) into main (36ccb18) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #186   +/-   ##
=======================================
  Coverage   59.05%   59.05%           
=======================================
  Files          24       24           
  Lines        1138     1138           
=======================================
  Hits          672      672           
  Misses        466      466           

Flag	Coverage Δ
unit-tests	59.05% <ø> (ø)

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