build(deps): bump ansys-sphinx-theme from 1.2.6 to 1.3.1 in the dev-dependencies group#6678

RobPasMue merged 2 commits intomainansys/ansys-tools-repo-sync:mainfrom

dependabot/pip/dev-dependencies-1c8b4d26efansys/ansys-tools-repo-sync:dependabot/pip/dev-dependencies-1c8b4d26efCopy head branch name to clipboard