chore: fix npm publish nit

npm warn publish errors corrected:
npm warn publish "repository.url" was normalized to "git+https://github.com/jitsi/robotjs.git"

Author: csett86

package.json

@@ -20,7 +20,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/jitsi/robotjs.git"
+    "url": "git+https://github.com/jitsi/robotjs.git"
   },
   "keywords": [
     "Automation",