adds model_bakery in requirements-dev

[iamdipanshusingh]

Hey, I just made a Pull Request!

Description

added model_bakery in requirements-dev.txt

Motivation and Context

Have you tested this? If so, how?

Checklist for PR author(s)

• Changes are covered by unit tests (no major decrease in code coverage %).
• All tests pass.
• Docstring coverage is 100% via interrogate drf_user (I mean, we should set a good example 😄).
• Updates to documentation:
  • Document any relevant additions/changes in README.md.
  • Manually update both the README.md and docs/index.rst for any new changes.
  • Any changed/added classes/methods/functions have appropriate versionadded, versionchanged, or deprecated directives. Find the appropriate next version in the project's __init__.py file.

Release note

"NONE"

[sumit4613]

Cool 💯