fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:ms:20170412

Latest report for node-modules/changing:
https://snyk.io/test/github/node-modules/changing

package.json

@@ -16,7 +16,7 @@
     "contributors": "contributors -f plain -o AUTHORS"
   },
   "dependencies": {
-    "humanize-ms": "~1.0.1"
+    "humanize-ms": "~1.2.1"
   },
   "devDependencies": {
     "autod": "*",