metadata.json: mark GNOME 48 as supported.

mwilck · mwilck · commit 13264042ae8b · 2025-03-27T10:50:14.000+01:00
diff --git a/argos@pew.worldwidemann.com/metadata.json b/argos@pew.worldwidemann.com/metadata.json
@@ -6,6 +6,7 @@
   "shell-version": [
     "45",
     "46",
-    "47"
+    "47",
+    "48"
   ]
 }
