freeradius-server: update 3.0.15 bottle for Linuxbrew.
freeradius-server: update 3.0.15 bottle for Linuxbrew.

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