BM-1437: Set base mainnet top up amount correctly (#982)

Author: willpote

infra/distributor/Pulumi.prod-8453.yaml

@@ -20,7 +20,7 @@ config:
   distributor:SLASHER_KEY:
     secure: v1:5h1orYNX17m3Vp3b:R1yCFR4Yks5rPn7nMs180Y7LOHPcksMwlSPBwsZz2sfUrlmpTfWXxlpv5nIewPuy89aAAS2pJQtoybTC+yGCQG50GN4xAaMw9pMPjkIGMys=
   distributor:STAKE_THRESHOLD: "7"
-  distributor:STAKE_TOP_UP_AMOUNT: "5"
+  distributor:STAKE_TOP_UP_AMOUNT: "7"
   distributor:ETH_RPC_URL:
     secure: v1:Ft8qHrOPQTypWl6L:7O1I0MEZmsPG/ptdueEjY1+NyaQf5SWILbDy2B6KWJqN5rmuM1l5FLy9KpsMnwjGinbCMWxEC97eawyILp6LluqF3yYeEzxBKD4e
   distributor:LOG_LEVEL: "info"