fix(deps): update to pm2@2.2.3 mozilla/fxa-local-dev#79)

package.json

@@ -31,7 +31,7 @@
     "internal-ip": "1.2.0",
     "lodash": "4.16.2",
     "minimist": "1.1.1",
-    "pm2": "1.1.3",
+    "pm2": "2.2.3",
     "replace-in-file": "0.2.1",
     "selenium-standalone": "4.4.0"
   }