Force bump tar-stream from 2.1.2 to 2.1.4 (#450)

Author: ctalkington

package.json

@@ -34,7 +34,7 @@
     "buffer-crc32": "^0.2.1",
     "readable-stream": "^3.6.0",
     "readdir-glob": "^1.0.0",
-    "tar-stream": "^2.1.2",
+    "tar-stream": "^2.1.4",
     "zip-stream": "^4.0.0"
   },
   "devDependencies": {