fix(package): update codemirror to version 5.25.2 (#1660)
fix(package): update codemirror to version 5.25.2 (#1660)

https://greenkeeper.io/
jdetle/nteract,captainsafia/nteract,captainsafia/nteract,jdfreder/nteract,rgbkrk/nteract,temogen/nteract,jdetle/nteract,rgbkrk/nteract,nteract/nteract,jdfreder/nteract,nteract/composition,temogen/nteract,nteract/nteract,temogen/nteract,rgbkrk/nteract,nteract/nteract,jdfreder/nteract,nteract/nteract,rgbkrk/nteract,nteract/composition,nteract/nteract,jdetle/nteract,jdfreder/nteract,captainsafia/nteract,jdetle/nteract,rgbkrk/nteract,nteract/composition,captainsafia/nteract