Remove development versions from metadata.json.in (3.11.x), just keep major versions (3.6 - 3.12).

data/metadata.json.in

@@ -2,7 +2,7 @@
 "uuid": "@uuid@",
 "name": "Panel OSD",
 "description": "Configuring where on the (main) screen notifications will appear, instead of just above the message tray",
-"shell-version": [ "3.6", "3.8", "3.10", "3.11.5", "3.11.90", "3.11.91", "3.12" ],
+"shell-version": [ "3.6", "3.8", "3.10", "3.12" ],
 "localedir": "@LOCALEDIR@",
 "url": "@url@"
 }