watchexec: update 1.20.6 bottle.
watchexec: update 1.20.6 bottle.

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