Bump cross-env from 5.1.3 to 5.1.6 in /apps/updatenotification

Bumps [cross-env](https://github.com/kentcdodds/cross-env) from 5.1.3 to 5.1.6.
- [Release notes](https://github.com/kentcdodds/cross-env/releases)
- [Changelog](https://github.com/kentcdodds/cross-env/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kentcdodds/cross-env/compare/v5.1.3...v5.1.6)

Signed-off-by: dependabot[bot] <support@dependabot.com>

apps/updatenotification/package-lock.json

@@ -735,13 +735,13 @@
       }
     },
     "cross-env": {
-      "version": "5.1.3",
-      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.1.3.tgz",
-      "integrity": "sha1-+K4Y+qyHaSsKi00vcADU7DqF39c=",
+      "version": "5.1.6",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.1.6.tgz",
+      "integrity": "sha512-VWTDq+G4v383SzgRS7jsAVWqEWF0aKZpDz1GVjhONvPRgHB1LnxP2sXUVFKbykHkPSnfRKS8YdiDevWFwZmQ9g==",
       "dev": true,
       "requires": {
         "cross-spawn": "5.1.0",
-        "is-windows": "1.0.1"
+        "is-windows": "1.0.2"
       }
     },
     "cross-spawn": {
@@ -2591,9 +2591,9 @@
       }
     },
     "is-windows": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-1.0.1.tgz",
-      "integrity": "sha1-MQ23D3QtJZoWo2kgK1GvhCMzENk=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-1.0.2.tgz",
+      "integrity": "sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==",
       "dev": true
     },
     "isarray": {

apps/updatenotification/package.json

@@ -27,7 +27,7 @@
     "vue-select": "^2.4.0"
   },
   "devDependencies": {
-    "cross-env": "^5.1.3",
+    "cross-env": "^5.1.6",
     "css-loader": "^0.28.11",
     "file-loader": "^1.1.6",
     "vue-loader": "^13.7.0",