fix(build-systems): use hatch-fancy-pypi-readme for openai >= 1.15.0

[DataEraserC]

Contribution checklist (recommended but not always applicable/required):

• There's an automated test for this change
• Commit messages or code include references to related issues or PRs (including third parties)
• Commit messages are conventional - examples from the log include "feat: add changelog files to fixup hook", "fix(contourpy): allow wheel usage", and "test: add sqlalchemy2 test"

[cpcloud]

Thanks!