engine.io@6.6.9
chore(release): engine.io-client@6.6.5
refactor(eio-client): remove XMLHttpRequest from the definition file
refactor: prepare the migration to a monorepo
refactor(eio-client): do not mutate caller's options (#5501)
chore: move dev dependencies in the parent package.json file
chore: align all MIT licenses text
chore(deps): ws@8.21.0 (#5502)