fix typo in `desired_version` variable

templates/nextcloud-onlyoffice-config.yaml

@@ -68,7 +68,7 @@ data:
     then
       echo "App {{ .name }} is up-to-date at version {{ .version }}"
     else
-      echo "No match in ${app_versions} for \"{{ .name }}\":\"rdesired_version\","
+      echo "No match in ${app_versions} for \"{{ .name }}\":\"$desired_version\","
       echo "Installing app {{ .github_repository }} version '{{ .version }}'"
       # Where to install the app
       target_directory="/var/www/html/custom_apps"