chore(release): bump to v2.2.4

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "le-store-certbot",
-  "version": "2.2.2",
+  "version": "2.2.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "le-store-certbot",
-  "version": "2.2.3",
+  "version": "2.2.4",
   "description": "The \"certbot\" storage strategy for Greenlock.js",
   "main": "index.js",
   "scripts": {