Update dependency cross-env to v5.2.1

package.json

@@ -59,7 +59,7 @@
     }
   },
   "devDependencies": {
-    "cross-env": "5.1.6",
+    "cross-env": "5.2.1",
     "husky": "^0.14.0",
     "lint-staged": "^7.1.3",
     "node-sass": "^4.9.0",

yarn.lock

@@ -1460,12 +1460,11 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-cross-env@5.1.6:
-  version "5.1.6"
-  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.1.6.tgz#0dc05caf945b24e4b9e3b12871fe0e858d08b38d"
+cross-env@5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.2.1.tgz#b2c76c1ca7add66dc874d11798466094f551b34d"
   dependencies:
-    cross-spawn "^5.1.0"
-    is-windows "^1.0.0"
+    cross-spawn "^6.0.5"
 
 cross-spawn@^3.0.0:
   version "3.0.1"
@@ -1474,15 +1473,15 @@ cross-spawn@^3.0.0:
     lru-cache "^4.0.1"
     which "^1.2.9"
 
-cross-spawn@^5.0.1, cross-spawn@^5.1.0:
+cross-spawn@^5.0.1:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
   dependencies:
     lru-cache "^4.0.1"
     shebang-command "^1.2.0"
     which "^1.2.9"
 
-cross-spawn@^6.0.4:
+cross-spawn@^6.0.4, cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
   dependencies:
@@ -2822,7 +2821,7 @@ is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
-is-windows@^1.0.0, is-windows@^1.0.2:
+is-windows@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"