chore(composer): update dev-master branch-alias to 5.2.x-dev

[skip ci]

Author: gesinn-it-gea

composer.json

@@ -71,7 +71,7 @@
 	},
 	"extra": {
 		"branch-alias": {
-			"dev-master": "4.0.x-dev"
+			"dev-master": "5.2.x-dev"
 		}
 	},
 	"config": {