🐛 Allow for signed & unsigned ublock releases

uBlock seems to flip-flop between having signed and unsigned releases,
so we should allow both. Maybe there is something that I am missing
here?

Author: trickypr

gluon.json

@@ -16,7 +16,7 @@
       "id": "uBlock0@raymondhill.net",
       "repo": "gorhill/uBlock",
       "version": "1.44.4",
-      "fileGlob": "uBlock0_*.firefox.xpi"
+      "fileGlob": "uBlock0_*.firefox(.signed)?.xpi"
     },
     "tabliss": {
       "platform": "amo",
@@ -99,4 +99,4 @@
     "licenseType": "MPL-2.0"
   },
   "updateHostname": "updates.pulsebrowser.app"
-}
+}