Fix key on new *car_bandit_flag* (#53)

Author: typotter

ufc/bandit-flags-v1.json

@@ -203,7 +203,7 @@
             "totalShards": 10000
         },
         "car_bandit_flag": {
-            "key": "car_bandit",
+            "key": "car_bandit_flag",
             "enabled": true,
             "variationType": "STRING",
             "variations": {