Update device reference link in manifest.xml

Signed-off-by: Philip Abbey <philipabbey@users.noreply.github.com>

manifest.xml

@@ -13,7 +13,7 @@
 
   Device Information & References:
   * https://developer.garmin.com/connect-iq/compatible-devices/
-  * https://developer.garmin.com/connect-iq/reference-guides/devices-reference/
+  * https://developer.garmin.com/connect-iq/device-reference/
 
   philipabbey's Test App    id="98c36259-498a-4458-9cef-74a273ad2bc3" type="watch-app"
   Live Application          id="40131e87-31ff-454b-a8e2-92276ee399d6" type="watch-app"
@@ -227,4 +227,4 @@
     -->
     <iq:barrels/>
   </iq:application>
-</iq:manifest>
+</iq:manifest>