This PR updates endpoints and schemas for the API tokens tag.
As part of that, they also handle oneOf openapi validation errors and improve the console output for the enforcer tests.
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## About the changes
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Improves the openapi schema specifications for the schemas belonging to
the "Projects" tag.
Expected error codes/http statues, descriptions, and example data
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Co-authored-by: Christopher Kolstad <chriswk@getunleash.ai>
Co-authored-by: Thomas Heartman <thomas@getunleash.ai>
