fix(docs): correct link to 800 series Zooz firmware upgrade docs (#6862)

docs/troubleshooting/otw-upgrade.md

@@ -24,4 +24,4 @@ https://github.com/kpine/zwave-js-server-docker/wiki/700-series-Controller-Firmw
 ### Windows
 
 - Aeotec - https://aeotec.freshdesk.com/support/solutions/articles/6000252296-update-z-stick-7-with-windows
-- Zooz - [700 series](https://www.support.getzooz.com/kb/article/931-how-to-perform-an-ota-firmware-update-on-your-zst10-700-z-wave-stick/), [800 series](https://www.support.getzooz.com/kb/section/406/)
+- Zooz - [700 series](https://www.support.getzooz.com/kb/article/931-how-to-perform-an-ota-firmware-update-on-your-zst10-700-z-wave-stick/), [800 series](https://www.support.getzooz.com/kb/article/1276-how-to-perform-an-otw-firmware-update-on-your-zst39-800-long-range-z-wave-stick/)