docs: add changelog for 4.0.0

release: cut the 4.0.0-rc.6 release

docs: add changelog for 4.0.0-rc.5

docs: add changelog for 4.0.0-rc.4

docs: add changelog for 2.4.10

docs: add changelog for 4.0.0-rc.3

release: cut the 4.0.0-rc.2 release

release: cut v2.4.9

build: cut 4.0.0-rc.1

rc.0 is not part of the repo history because of a missing fix that was discovered after publishing to npm

release: cut v4.0.0-beta.8