cats: replace video url

replace video url on diode.zone with video on youtube

Signed-off-by: Francesco Pham francesco.pham@huawei.com

cats.rst

@@ -239,4 +239,4 @@ Resources
 .. _ResourcesTG:
 
 - `Demo video of CATS blueprint used to operate a safe box 
-  <https://diode.zone/w/46952b85-e663-4363-997a-ef31ccdb0de4#oniro-openthread-gateway-2022>`_
+  <https://www.youtube.com/watch?v=1SxcqvR_QUI>`_