:zap: use of mimalloc + improve logging for uvicorn

[spanska]

✒️ Context

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• What kind of change does this PR introduce ?

  • [ ] Bugfix
  • [x] Feature
  • [ ] Refactoring
  • [ ] Other, please describe:

🧱 Description of Changes

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  • [ ] This is a change for the NLP template
  • [ ] This is a change for the NUM template
  • [ ] This is a change for the VISION template
  • [ ] This is a change for the API template
  • [ ] This changes how templates are generated (i.e. a Jinja change)

🩺 Testing

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  • [x] This change does not need new tests
  • [ ] Added/Updated unit tests
  • [ ] Added/Updated functionals tests (i.e. e2e)

🔗 References

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• Issue: Closes #XXXX

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