build: Update MediaWiki requirement to 1.41

All extensions in the MediaWiki tarball are expected to track MediaWiki's release directly.

Change-Id: Ide89bc54b05421247539679d9a2c2e3735e8defa

extension.json

@@ -13,7 +13,7 @@
 	"license-name": "GPL-2.0-or-later",
 	"type": "antispam",
 	"requires": {
-		"MediaWiki": ">= 1.41.0"
+		"MediaWiki": ">= 1.41"
 	},
 	"GroupPermissions": {
 		"*": {