fix(plugin): correct repository URL to JeremieSamson/green-code

Author: JeremieSamson

.claude-plugin/plugin.json

@@ -5,7 +5,7 @@
   "author": {
     "name": "Jeremie Samson"
   },
-  "repository": "https://github.com/jsamson/green-code",
+  "repository": "https://github.com/JeremieSamson/green-code",
   "license": "MIT",
   "keywords": [
     "carbon",