chore: bump manifest version

Author: fabiosangregorio

manifest.json

@@ -5,7 +5,7 @@
     "48": "assets/icon48.png",
     "128": "assets/icon128.png"
   },
-  "version": "1.0.3",
+  "version": "1.1.0",
   "description": "A simple Chrome Extension to quickly duplicate events on Google Calendar.",
   "manifest_version": 2,
   "content_scripts": [{