Use en dash for versions range instead of em dash (#1246)

plugins/shorthands.js

@@ -314,7 +314,7 @@ export const formatVersions = (versionArray) => {
 
   for (const interval of newIntervals) {
     if (interval.length === 2) {
-      output.push(`${interval[0][0]}—${interval[1][0]}`)
+      output.push(`${interval[0][0]}–${interval[1][0]}`)
     } else {
       output.push(interval[0][0])
     }