updated backup folder to rw so we can delete older ones

duplicacy/config.json

@@ -1,6 +1,6 @@
 {
   "name": "duplicacy",
-  "version": "20221203.1",
+  "version": "20221203.2",
   "slug": "duplicacy",
   "description": "Duplicacy backup",
   "url": "https://git.johnhgaunt.com/jgaunt/hassio-addons/src/branch/master/duplicacy",
@@ -8,7 +8,7 @@
   "startup": "application",
   "boot": "manual",
   "host_network": false,
-  "map": ["config", "backup", "ssl", "addons", "share"],
+  "map": ["config", "backup:rw", "ssl", "addons", "share"],
   "options": {
     "backupID": "Put your backup ID name here",
     "ssh_username": "root",