fix: explicitly set persist to false (#296)

We will be make persist True in the base package

src/mev_relay/mev_relay_launcher.star

@@ -17,6 +17,8 @@ NETWORK_ID_TO_NAME = {
     "3": "ropsten",
 }
 
+DONT_PERSIST_TO_DISK = False
+
 
 def launch_mev_relay(
     plan,
@@ -35,6 +37,7 @@ def launch_mev_relay(
         user="postgres",
         database="postgres",
         service_name="postgres",
+        persistent=DONT_PERSIST_TO_DISK,
     )
 
     network_name = NETWORK_ID_TO_NAME.get(network_id, network_id)