chore(release): 2.0.0rc2 Release
chore(release): 2.0.0rc2 Release

Fix:
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- When possible pass request body as string to `OpenAPIRequest`, not as bytes

Style:
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- Update pre-commit hooks, integrate `flake8-variable-names`

playpauseandstop/rororo,playpauseandstop/rororo