refactor: update a version in composer.json

Author: codepane

composer.json

@@ -2,7 +2,7 @@
     "name": "codepane/laravel-image-handler",
     "description": "Optimize and store images in multiple sizes easily.",
     "type": "library",
-    "version": "0.5",
+    "version": "0.6",
     "keywords": [
         "image",
         "laravel",