Beta Release (#2606)

* fix: split cd by environment

* improve slack alerts for cd

* testing new branching strategy CD (#2598)

* WIP: branching strategy

* bump node version

* revert: node version bump

* WIP: CD create beta release pr

* fix: CD create beta release pr

* fix: show future cd workflow names

* dep: bump github action versions

* turn on stable release pr creation

* add: Darwins existing PR check

* add: use zesty branding for automated slack notifications

* improve slack notice message

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Co-authored-by: shrunyan <shrunyan@gmail.com>