feat: upgrade to v3.3.1 with enhanced error handling

Major changes:
- Bump version from 3.3.0 to 3.3.1
- Update GasFeeStrategy API with min/max data size parameters
- Enhance trade return values with Optional<anyhow::Error> in buy/sell/sell_percent methods
- Fix PumpFun Mayhem mode fee recipient constant bug
- Standardize gas fee strategy parameters across all examples
- Update all examples to handle new triple return value (bool, Signature, Option<Error>)

src/instruction/utils/pumpfun.rs

@@ -61,7 +61,7 @@ pub mod global_constants {
         pubkey!("GesfTA3X2arioaHp8bbKdjG9vJtskViWACZoYvxp4twS");
     pub const MAYHEM_FEE_RECIPIENT_META: solana_sdk::instruction::AccountMeta =
         solana_sdk::instruction::AccountMeta {
-            pubkey: FEE_RECIPIENT,
+            pubkey: MAYHEM_FEE_RECIPIENT,
             is_signer: false,
             is_writable: true,
         };