fix(package): update @adobe/helix-shared to version 1.4.0

Author: greenkeeper[bot]

package.json

@@ -36,8 +36,8 @@
   "dependencies": {
     "@adobe/fastly-native-promises": "^1.3.2",
     "@adobe/helix-pipeline": "^2.1.1",
-    "@adobe/helix-shared": "1.3.2",
     "@adobe/helix-simulator": "2.12.12",
+    "@adobe/helix-shared": "1.4.0",
     "@adobe/parcel-plugin-htl": "2.1.11",
     "@babel/core": "^7.4.5",
     "@parcel/logger": "1.11.0",