v9.0.0
[select] Fix focus visible always set on menu item (#47912)
[core] Fix webpack capitalization (#44352)
[core] Remove Suspense and clock mocking from regressions and e2e tests (#44935)
[code-infra] Remove usage of NODE_ENV=test (#47692)
[test] Create end-to-end testing CI job (#25405)
[code-infra] Update prettier (#40772)
[code-infra] Move `@mui/internal-test-utils` to code infra repo (#47422)