Update composer.json

Author: iMattPro

composer.json

@@ -3,7 +3,7 @@
 	"type": "phpbb-extension",
 	"description": "Lightbox for phpBB can resize posted images to a maximum set height/width and display them full-screen in an elegant Lightbox overlay effect.",
 	"homepage": "https://github.com/iMattPro/lightbox",
-	"version": "2.0.5",
+	"version": "2.0.6-dev",
 	"keywords": ["phpbb", "extension", "lightbox", "image", "resizer"],
 	"license": "GPL-2.0-only",
 	"authors": [