chore: rename actor-core -> @r-core/actor#980

NathanFlurry wants to merge 1 commit intomainrivet-dev/agent-os:mainfrom

06-05-chore_rename_actor-core_-_r-core_actorrivet-dev/agent-os:06-05-chore_rename_actor-core_-_r-core_actorCopy head branch name to clipboard