chore: Improve update script in case of local changes (#18837)

* Stash local changes to prevent update failing

Call git stash to stash any local changes that would prevent the update.sh script from failing

* Update update.sh

changed to git checkout package-lock.json

update.sh

@@ -17,6 +17,9 @@ fi
 echo "Creating backup of configuration..."
 cp -R data data-backup
 
+echo "Checking out changes to package-lock.json..."
+git checkout package-lock.json
+
 echo "Updating..."
 git pull