update python package version in the azure docs metadata files.

[learn-build-service-prod[bot]]

Learn Build status updates of commit 514e7b8:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
metadata/latest/azure-cognitiveservices-speech.json	:white_check_mark:Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[BrianMouncer]

sign-off