chore(package): update @types/raven to version 2.1.2 (#715)

package.json

@@ -129,7 +129,7 @@
     "@types/fluent-ffmpeg": "2.1.1",
     "@types/glob": "^5.0.30",
     "@types/mime": "1.3.1",
-    "@types/raven": "2.1.1",
+    "@types/raven": "2.1.2",
     "@types/request": "2.0.0",
     "@types/selenium-webdriver": "3.0.4",
     "@types/sinon": "2.3.3",