fix: raise fee to 0.5 STX

My testnet txs go through super fast at 0.1 STX, my test deploys on mainnet at 0.5 STX were super speedy, we might be able to meet somewhere in the middle but tagging @human058382928 so he is aware.

src/stacks-contracts/services/contract-deployer.ts

@@ -45,7 +45,7 @@ export class ContractDeployer {
         anchorMode: AnchorMode.Any,
         postConditionMode: PostConditionMode.Allow,
         nonce: nonce !== undefined ? nonce : undefined,
-        fee: BigInt(100_000), // 0.1 STX
+        fee: BigInt(500_000), // 0.5 STX
       };
 
       const transaction = await makeContractDeploy(deployOptions);