mysql: update license
mysql: update license

See

    https://metadata.ftp-master.debian.org/changelogs//main/m/mysql-8.0/mysql-8.0_8.0.23-3_copyright
    https://spdx.org/licenses/Universal-FOSS-exception-1.0.html

cblecker/homebrew-core,stgraber/homebrew-core,makigumo/homebrew-core,Linuxbrew/homebrew-core,mfikes/homebrew-core,nandub/homebrew-core,chrisfinazzo/homebrew-core,adam-moss/homebrew-core,nbari/homebrew-core,Linuxbrew/homebrew-core,uyjulian/homebrew-core,Homebrew/homebrew-core,sjackman/homebrew-core,stgraber/homebrew-core,adam-moss/homebrew-core,Moisan/homebrew-core,nbari/homebrew-core,lemzwerg/homebrew-core,filcab/homebrew-core,JCount/homebrew-core,zyedidia/homebrew-core,zyedidia/homebrew-core,mfikes/homebrew-core,nandub/homebrew-core,Homebrew/homebrew-core,makigumo/homebrew-core,chrisfinazzo/homebrew-core,mbcoguno/homebrew-core,sjackman/homebrew-core,lemzwerg/homebrew-core,uyjulian/homebrew-core,filcab/homebrew-core,cblecker/homebrew-core,JCount/homebrew-core,mbcoguno/homebrew-core,Moisan/homebrew-core,mbcoguno/homebrew-core