Add entry to CHANGELOG for masking of secrets in execution output
Add entry to CHANGELOG for masking of secrets in execution output

StackStorm/st2,Plexxi/st2,StackStorm/st2,nzlosh/st2,nzlosh/st2,Plexxi/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,StackStorm/st2,nzlosh/st2,nzlosh/st2