Update immutable dependency version to get newer license

Author: Thiago Franco

package.json

@@ -48,7 +48,7 @@
     "fresh": "^0.5.2",
     "fs-extra": "3.0.1",
     "http-proxy": "1.15.2",
-    "immutable": "3.8.1",
+    "immutable": "3.8.2",
     "localtunnel": "1.8.3",
     "micromatch": "2.3.11",
     "opn": "4.0.2",