dartsim: update 6.12.2_1 bottle.
dartsim: update 6.12.2_1 bottle.

chrisfinazzo/homebrew-core,chrisfinazzo/homebrew-core,filcab/homebrew-core,Homebrew/homebrew-core,lemzwerg/homebrew-core,lemzwerg/homebrew-core,Homebrew/homebrew-core,filcab/homebrew-core