chore(package): update dependencies

https://greenkeeper.io/

package.json

@@ -41,9 +41,9 @@
   },
   "homepage": "https://github.com/blakeembrey/promise-finally",
   "devDependencies": {
-    "blue-tape": "^0.1.10",
+    "blue-tape": "^0.2.0",
     "bluebird": "^3.0.5",
-    "istanbul": "^0.3.6",
+    "istanbul": "^0.4.3",
     "pre-commit": "^1.0.6",
     "tap-dot": "^1.0.0",
     "typescript": "^1.6.2"