v9.1.2
[code-infra] Port codebase to use tsgo (#48616)
[release] v9.1.1 (#48656)
[docs-infra] Revert "Pin StackBlitz demo vite to v7 and plugin-react to v5" (#48709)
[docs-infra] Fix code-block copy button broken on direct page load (#48653)
[code-infra] Move `@mui/internal-test-utils` to code infra repo (#47422)
[code-infra] Setup workflow to publish internal packages (#47952)