ci(gateway-contracts): fix ci for upgrade

ci(gateway-contracts): fix ci for upgrade

Author: jatZama

.github/workflows/gateway-contracts-upgrade-tests.yml

@@ -119,6 +119,7 @@ jobs:
           cp .env.example .env
           cp -r ../../previous-fhevm/gateway-contracts/contracts ./previous-contracts
           npx hardhat task:deployEmptyUUPSProxies
+          npx hardhat compile:specific --contract contracts/immutable
           npx hardhat task:deployPauserSet
 
       # TODO: We should instead automatically detect if the contract needs to be upgraded