[Webservice] Add new detector HIREX to 3 dark runs detectors

This is already hotfixed.

I think we should move this to the configuration rather than keep on adding these to the code.

I have created an issue to tackle later as I want to deploy these hotfixes by today

webservice/webservice.py

@@ -1297,6 +1297,7 @@ class ActionsServer:
                         "JUNGF",
                         "GH2",
                         "G2",
+                        "HIREX"
                     ])
 
                 # This fails silently if the hardcoded strings above are