[backport] Update pako dependency version to 1.0.2.

While not strictly necessary (the `~1.0.0` includes it), I prefer an explicit
commit for this change.

Related to Stuk#320, fix a bug in deflate.

package.json

@@ -47,7 +47,7 @@
     "jszip-utils": "~0.0.2"
   },
   "dependencies": {
-    "pako": "~1.0.0"
+    "pako": "~1.0.2"
   },
   "license": "(MIT OR GPL-3.0)"
 }