Drop match level on a Maps 'issue opened' needle

The font rendering on this URL bar seems to be slightly unstable
for some reason. We got a 95% match on this needle in
https://openqa.fedoraproject.org/tests/1846906#step/about/10
so let's just bump the level down a bit.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/gnome/apps/maps/maps_issues_opened-20230118.json

@@ -4,6 +4,7 @@
       "xpos": 217,
       "ypos": 82,
       "type": "match",
+      "match": 92,
       "width": 201,
       "height": 27
     }
@@ -12,4 +13,4 @@
   "tags": [
     "maps_issues_opened"
   ]
-}
+}