Fix env var name

Author: nickvikeras

crates/sui-analytics-indexer/src/lib.rs

@@ -72,7 +72,7 @@ const DYNAMIC_FIELD_PREFIX: &str = "dynamic_field";
 
 const WRAPPED_OBJECT_PREFIX: &str = "wrapped_object";
 
-const TRANSACTION_CONCURRENCY_LIMIT_VAR_NAME: &str = "ASYNC_TRANSACTIONS_TO_BUFFER";
+const TRANSACTION_CONCURRENCY_LIMIT_VAR_NAME: &str = "TRANSACTION_CONCURRENCY_LIMIT";
 const DEFAULT_TRANSACTION_CONCURRENCY_LIMIT: usize = 64;
 pub static TRANSACTION_CONCURRENCY_LIMIT: Lazy<usize> = Lazy::new(|| {
     let async_transactions_opt = std::env::var(TRANSACTION_CONCURRENCY_LIMIT_VAR_NAME)