Update cross-env to the latest version 🚀 (#4830)

* chore(package): update cross-env to version 5.2.0

* chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

package-lock.json

@@ -2957,13 +2957,28 @@
       }
     },
     "cross-env": {
-      "version": "5.1.6",
-      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.1.6.tgz",
-      "integrity": "sha512-VWTDq+G4v383SzgRS7jsAVWqEWF0aKZpDz1GVjhONvPRgHB1LnxP2sXUVFKbykHkPSnfRKS8YdiDevWFwZmQ9g==",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.2.0.tgz",
+      "integrity": "sha512-jtdNFfFW1hB7sMhr/H6rW1Z45LFqyI431m3qU6bFXcQ3Eh7LtBuG3h74o7ohHZ3crrRkkqHlo4jYHFPcjroANg==",
       "dev": true,
       "requires": {
-        "cross-spawn": "5.1.0",
+        "cross-spawn": "6.0.5",
         "is-windows": "1.0.2"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "dev": true,
+          "requires": {
+            "nice-try": "1.0.4",
+            "path-key": "2.0.1",
+            "semver": "5.5.0",
+            "shebang-command": "1.2.0",
+            "which": "1.3.0"
+          }
+        }
       }
     },
     "cross-spawn": {

package.json

@@ -53,7 +53,7 @@
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "babel-preset-env": "1.6.1",
     "bcrypt-nodejs": "0.0.3",
-    "cross-env": "5.1.6",
+    "cross-env": "5.2.0",
     "deep-diff": "1.0.1",
     "eslint": "^5.0.0",
     "eslint-plugin-flowtype": "^2.39.1",