chore(package): update electron-builder to version 12.0.3
chore(package): update electron-builder to version 12.0.3

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jdfreder/nteract,captainsafia/nteract,rgbkrk/nteract,rgbkrk/nteract,nteract/nteract,nteract/nteract,jdfreder/nteract,jdetle/nteract,nteract/nteract,0u812/nteract,nteract/composition,nteract/nteract,0u812/nteract,rgbkrk/nteract,nteract/composition,rgbkrk/nteract,0u812/nteract,jdetle/nteract,nteract/nteract,rgbkrk/nteract,temogen/nteract,jdfreder/nteract,jdetle/nteract,temogen/nteract,jdfreder/nteract,temogen/nteract,captainsafia/nteract,captainsafia/nteract,nteract/composition,jdetle/nteract,captainsafia/nteract,0u812/nteract