chore(deps): update dependency cross-env to v7 (#147)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package-lock.json

@@ -5692,12 +5692,12 @@
       }
     },
     "cross-env": {
-      "version": "6.0.3",
-      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-6.0.3.tgz",
-      "integrity": "sha512-+KqxF6LCvfhWvADcDPqo64yVIB31gv/jQulX2NGzKS/g3GEVz6/pt4wjHFtFWsHMddebWD/sDthJemzM4MaAag==",
+      "version": "7.0.2",
+      "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-7.0.2.tgz",
+      "integrity": "sha512-KZP/bMEOJEDCkDQAyRhu3RL2ZO/SUVrxQVI0G3YEQ+OLbRA3c6zgixe8Mq8a/z7+HKlNEjo8oiLUs8iRijY2Rw==",
       "dev": true,
       "requires": {
-        "cross-spawn": "^7.0.0"
+        "cross-spawn": "^7.0.1"
       },
       "dependencies": {
         "cross-spawn": {

package.json

@@ -61,7 +61,7 @@
     "bannerjs": "1.0.7",
     "classnames": "2.2.6",
     "colors-cli": "1.0.26",
-    "cross-env": "6.0.3",
+    "cross-env": "7.0.2",
     "eslint": "4.19.1",
     "eslint-config-airbnb": "16.1.0",
     "eslint-plugin-import": "2.20.1",