chore(package): update @fimbul/wotan to version 0.7.0 (#64)

Author: greenkeeper[bot]

package.json

@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "@fimbul/valtyr": "^0.7.0",
-    "@fimbul/wotan": "^0.6.0",
+    "@fimbul/wotan": "^0.7.0",
     "coveralls": "^3.0.0",
     "github-release-from-changelog": "^1.2.1",
     "npm-run-all": "^4.1.1",