use higher gas budget for valdiator tool (MystenLabs#10261)

## Description 

As title. 

## Test Plan 

How did you test the new or updated feature?

---
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skip the following section. Otherwise, please indicate what changed, and
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### Type of Change (Check all that apply)

- [ ] user-visible impact
- [ ] breaking change for a client SDKs
- [ ] breaking change for FNs (FN binary must upgrade)
- [ ] breaking change for validators or node operators (must upgrade
binaries)
- [ ] breaking change for on-chain data layout
- [ ] necessitate either a data wipe or data migration

### Release notes

crates/sui/src/validator_commands.rs

@@ -54,8 +54,7 @@ use sui_types::{
     SUI_SYSTEM_OBJ_CALL_ARG,
 };
 
-// TODO adjust this to a reasonable number after the gas fix is in
-const DEFAULT_GAS_BUDGET: u64 = 15_000_000;
+const DEFAULT_GAS_BUDGET: u64 = 200_000_000; // 0.2 SUI
 
 #[derive(Parser)]
 #[clap(rename_all = "kebab-case")]