Changed underlying `openai/client` package version from 0.8.0 to v0.9.0 (#632)
* Changed underlying `openai/client` package version from 0.8.0 to v0.9.0
* feat: Update php-cs-fixer.php to use ParallelConfigFactory for parallel processing
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Co-authored-by: Deeka Wong <8337659+huangdijia@users.noreply.github.com>