babel: update 7.6.4 bottle.
babel: update 7.6.4 bottle.

maxim-belkin/homebrew-core,rwhogg/homebrew-core,maxim-belkin/homebrew-core,rwhogg/homebrew-core,LinuxbrewTestBot/homebrew-core,Linuxbrew/homebrew-core,Linuxbrew/homebrew-core,LinuxbrewTestBot/homebrew-core