Fix metadata shell no

As approved by https://www.google.com/amp/s/www.omgubuntu.co.uk/2020/09/gnome-40-version-number-change/amp gnome will no longer follow 3.40 and 3.42 but will follow 40 and 41 and so on...

metadata.json

@@ -24,31 +24,29 @@
     "3.34",
     "3.36",
     "3.38",
-    "3.40",
-    "3.42",
-    "3.44",
-    "3.46",
-    "3.48",
-    "3.50",
-    "3.52",
-    "3.54",
-    "3.56",
-    "3.58",
-    "3.60",
-    "3.62",
-    "3.64",
-    "3.66",
-    "3.68",
-    "3.70",
-    "3.72",
-    "3.74",
-    "3.76",
-    "3.78",
-    "3.80"
-
-
+    "40",
+    "41",
+    "42",
+    "43",
+    "44",
+    "45",
+    "46",
+    "47",
+    "48",
+    "49",
+    "50",
+    "51",
+    "52",
+    "53",
+    "54",
+    "55",
+    "56",
+    "57",
+    "58",
+    "59",
+    "60"
   ],
   "url": "https://github.com/biji/simplenetspeed",
   "uuid": "[email protected]",
-  "version": 20
+  "version": 21
 }