Update appveyor.yml for cardano-sl-0.3
Update appveyor.yml for cardano-sl-0.3

input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus