chore(release): cut the v2.0.0 release

chore(release): hotfix v2.0.0-rc.4

feat(release): cut the v2.0.0-rc.3 release

feat(release): cut the v2.0.0-rc.2 release

feat(release): cut the v2.0.0-rc.1 release

feat(release): cut the v2.0.0-beta.4 release

feat(release): cut the v2.0.0-beta.3 release

feat(release): cut the v2.0.0-beta.2 release

feat(release): release initial v2.0.0-beta.1

feat(release): bump to v0.7.8