Update cross-env to the latest version 🚀 (#6008)

* chore(package): update cross-env to version 5.2.1

* chore(package): update lockfile package-lock.json

package-lock.json

@@ -3188,13 +3188,12 @@
       }
     },
     "cross-env": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.2.0.tgz",
-      "integrity": "sha512-jtdNFfFW1hB7sMhr/H6rW1Z45LFqyI431m3qU6bFXcQ3Eh7LtBuG3h74o7ohHZ3crrRkkqHlo4jYHFPcjroANg==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.2.1.tgz",
+      "integrity": "sha512-1yHhtcfAd1r4nwQgknowuUNfIT9E8dOMMspC36g45dN+iD1blloi7xp8X/xAIDnjHWyt1uQ8PHk2fkNaym7soQ==",
       "dev": true,
       "requires": {
-        "cross-spawn": "^6.0.5",
-        "is-windows": "^1.0.0"
+        "cross-spawn": "^6.0.5"
       }
     },
     "cross-spawn": {
@@ -6607,7 +6606,8 @@
       "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
+      "dev": true,
+      "optional": true
     },
     "is-wsl": {
       "version": "1.1.0",

package.json

@@ -71,7 +71,7 @@
     "apollo-utilities": "1.3.2",
     "babel-eslint": "10.0.3",
     "bcrypt-nodejs": "0.0.3",
-    "cross-env": "5.2.0",
+    "cross-env": "5.2.1",
     "deep-diff": "1.0.2",
     "eslint": "6.3.0",
     "eslint-plugin-flowtype": "4.2.0",