Upgrade hallmark devDependency from ^1.0.0 to ^2.0.0 (#663)

greenkeeper[bot] · vweevers · commit c4f07351d761 · 2019-09-06T14:41:32.000+03:00
diff --git a/package.json b/package.json
@@ -38,7 +38,7 @@
     "du": "^1.0.0",
     "electron": "^6.0.0",
     "glob": "^7.1.3",
-    "hallmark": "^1.0.0",
+    "hallmark": "^2.0.0",
     "level-community": "^3.0.0",
     "level-concat-iterator": "^2.0.0",
     "mkfiletree": "^2.0.0",
