Add missing dependency. (#19623)

Author: lucasmichot

src/Illuminate/Auth/composer.json

@@ -17,6 +17,7 @@
         "php": ">=5.6.4",
         "illuminate/contracts": "5.4.*",
         "illuminate/http": "5.4.*",
+        "illuminate/queue": "5.4.*",
         "illuminate/support": "5.4.*",
         "nesbot/carbon": "~1.20"
     },