Update manifest.json

Author: griffpatch

manifest.json

@@ -4,7 +4,7 @@
   "short_name": "Scratch 3 Dev Tools",
   "description": "Scratch 3 Developer Tools to enhance your Scratch Editing Experience on https://scratch.mit.edu",
   "author": "Griffpatch",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "homepage_url": "https://www.griffpatch.co.uk",
   "icons": {
     "32": "favicon.png",