Bump compute budget for neon evm (#17700) (#18522)

(cherry picked from commit 2867584985)

Co-authored-by: Jack May <jack@solana.com>

sdk/src/process_instruction.rs

@@ -181,6 +181,8 @@ pub struct BpfComputeBudget {
     pub sysvar_base_cost: u64,
     /// Number of compute units consumed to call secp256k1_recover
     pub secp256k1_recover_cost: u64,
+    /// Optional program heap region size, if `None` then loader default
+    pub heap_size: Option<usize>,
 }
 impl Default for BpfComputeBudget {
     fn default() -> Self {
@@ -205,6 +207,7 @@ impl BpfComputeBudget {
             cpi_bytes_per_unit: 250,        // ~50MB at 200,000 units
             sysvar_base_cost: 100,
             secp256k1_recover_cost: 25_000,
+            heap_size: None,
         }
     }
 }