Update license file's name in wp-cli-updatedeb
Update license file's name in wp-cli-updatedeb

Plus make it more error prone and readable
GaryJones/wp-cli,GaryJones/wp-cli,GaryJones/wp-cli,gitlost/wp-cli,rodrigoprimo/wp-cli,aaemnnosttv/wp-cli,trepmal/wp-cli,aaemnnosttv/wp-cli,gitlost/wp-cli,2ndkauboy/wp-cli,rodrigoprimo/wp-cli,aaemnnosttv/wp-cli,miya0001/wp-cli,rodrigoprimo/wp-cli,2ndkauboy/wp-cli,trepmal/wp-cli,2ndkauboy/wp-cli,trepmal/wp-cli,miya0001/wp-cli,miya0001/wp-cli,gitlost/wp-cli