[request] add note to upgrade.md about changes in execute same request xxx action.r
[request] add note to upgrade.md about changes in execute same request xxx action.r

fullpipe/Payum,staabm/Payum,StoreFactory/Payum,StoreFactory/Payum,Payum/Payum,fullpipe/Payum,formapro-forks/Payum,aitboudad/Payum,StoreFactory/Payum,formapro-forks/Payum,ASKozienko/Payum,Payum/Payum