Update through2 to the latest version 🚀 (#3621)

* chore(package): update through2 to version 3.0.1

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

package-lock.json

@@ -15996,13 +15996,12 @@
       "dev": true
     },
     "through2": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.0.tgz",
-      "integrity": "sha512-8B+sevlqP4OiCjonI1Zw03Sf8PuV1eRsYQgLad5eonILOdyeRsY27A/2Ze8IlvlMvq31OH+3fz/styI7Ya62yQ==",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.1.tgz",
+      "integrity": "sha512-M96dvTalPT3YbYLaKaCuwu+j06D/8Jfib0o/PxbVt6Amhv3dUAtW6rTV1jPgJSBG83I/e04Y6xkVdVhSRhi0ww==",
       "dev": true,
       "requires": {
-        "readable-stream": "2 || 3",
-        "xtend": "~4.0.1"
+        "readable-stream": "2 || 3"
       }
     },
     "through2-filter": {

package.json

@@ -157,7 +157,7 @@
     "scssfmt": "1.0.7",
     "semver": "5.4.1",
     "source-map-explorer": "1.7.0",
-    "through2": "3.0.0",
+    "through2": "3.0.1",
     "ts-node": "7.0.1",
     "tslint": "5.12.0",
     "typescript": "3.1.6",