fix: requirements-api.txt tested in ci

[inimaz]

Description

Fix issues like this one https://github.com/mlco2/codecarbon/actions/runs/28317928989/job/83894562865. Where in local and ci works because they use the pyproject.toml, but the server uses requirements/requirements-api.txt so it fails.

Types of changes

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

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