Update CHANGELOG.rst
Update CHANGELOG.rst

Co-authored-by: Eugen C. <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@armab.io>
nzlosh/st2,nzlosh/st2,nzlosh/st2,Plexxi/st2,Plexxi/st2,StackStorm/st2,StackStorm/st2,StackStorm/st2,StackStorm/st2,Plexxi/st2,nzlosh/st2,Plexxi/st2