Fixed quoting in check for installed app version

templates/nextcloud-onlyoffice-config.yaml

@@ -108,7 +108,7 @@ data:
 
     desired_version=$(echo "{{ .version }}" | sed 's/^v//')
 
-    if [[ $app_versions =~ '"{{ .name }}":"$desired_version"' ]]
+    if [[ $app_versions =~ '"{{ .name }}":"'"$desired_version"'"' ]]
     then
       echo "Pinned app {{ .name }} is up-to-date at version {{ .version }}"
     else