update pathval (#1527)

Author: Kristján Oddsson

package-lock.json

@@ -47,7 +47,7 @@
     "check-error": "^1.0.2",
     "deep-eql": "^4.1.2",
     "loupe": "^2.3.1",
-    "pathval": "^1.1.1",
+    "pathval": "^2.0.0",
     "type-detect": "^4.0.5"
   },
   "devDependencies": {