Update UPGRADE.md
Update UPGRADE.md

Fix minor typo
arima-ryunosuke/dbal,doctrine/dbal,drieschel/dbal,vutung2311/dbal,cassvail/dbal,cassvail/dbal,gencer/dbal,mbeccati/dbal,BenMorel/dbal,lcobucci/dbal,wuxu92/dbal,Tobion/dbal,janschoenherr/dbal,stchr/dbal,v-bartusevicius/dbal,Tobion/dbal,sarcher/dbal,tk-s/dbal,nfrignani/dbal,webonyx/dbal,webonyx/dbal,lafourchette/dbal,doctrine/dbal,mikeSimonson/dbal,mRoca/dbal,helicon-os/doctrine-dbal,zeroedin-bill/dbal,sarcher/dbal,mathroc/dbal,sarcher/dbal,stof/dbal,AlexDpy/dbal,shivergard/dbal,helicon-os/doctrine-dbal,vortgo/dbal,bspeterson/dbal,arima-ryunosuke/dbal,tk-s/dbal,lafourchette/dbal,deeky666/dbal,kimhemsoe/dbal,zeroedin-bill/dbal,kimhemsoe/dbal,janschoenherr/dbal,mihai-stancu/dbal,mihai-stancu/doctrine-dbal,mihai-stancu/dbal,AlexDpy/dbal,arima-ryunosuke/dbal,mihai-stancu/doctrine-dbal,bspeterson/dbal,v-bartusevicius/dbal,nfrignani/dbal,DHager/dbal,vortgo/dbal,drieschel/dbal,stchr/dbal,mathroc/dbal,vutung2311/dbal,mRoca/dbal,mikeSimonson/dbal,mbeccati/dbal,gencer/dbal,stof/dbal,wuxu92/dbal,shivergard/dbal,webonyx/dbal,deeky666/dbal,BenMorel/dbal,lcobucci/dbal,DHager/dbal