chore: Fix l10n:generate command (#5488)

Author: iamareebjamal

package.json

@@ -20,7 +20,7 @@
     "lint:hbs": "ember-template-lint --fix .",
     "l10n:extract": "node scripts/l10n.js extract",
     "l10n:update": "node scripts/l10n.js update",
-    "l10n:generate": "node scripts/l10n.js extract"
+    "l10n:generate": "node scripts/l10n.js generate"
   },
   "pre-commit": {
     "run": [