ci: bump ansys/actions from 8 to 9 in the actions group#670

RobPasMue merged 2 commits intomainansys/ansys-sphinx-theme:mainfrom

dependabot/github_actions/actions-8e815c34eeansys/ansys-sphinx-theme:dependabot/github_actions/actions-8e815c34eeCopy head branch name to clipboard