ci: update sphinx requirement from <6.0.0,>=5.0.0 to >=5.0.0,<9.0.0#904

mkmeral merged 1 commit intomainstrands-agents/sdk-python:mainfrom

dependabot/pip/sphinx-gte-5.0.0-and-lt-9.0.0strands-agents/sdk-python:dependabot/pip/sphinx-gte-5.0.0-and-lt-9.0.0Copy head branch name to clipboard