Update dependencies

Author: goto-bus-stop

package.json

@@ -7,13 +7,13 @@
     "url": "https://github.com/browserify/tinyify/issues"
   },
   "dependencies": {
-    "browser-pack-flat": "^3.0.0",
+    "browser-pack-flat": "^3.0.9",
     "bundle-collapser": "^1.3.0",
-    "common-shakeify": "^0.4.3",
+    "common-shakeify": "^0.4.6",
     "envify": "^4.1.0",
     "minify-stream": "^1.1.0",
-    "uglifyify": "^4.0.4",
-    "unassertify": "^2.0.5"
+    "uglifyify": "^5.0.0",
+    "unassertify": "^2.1.1"
   },
   "devDependencies": {
     "standard": "^10.0.3"