Increase env-test job timeout to 30m to account for retries

The retry action allows 3 attempts × 8min + wait time, which can
exceed the previous 10min job timeout.

Author: paulbalaji

.github/workflows/test-env.yml

@@ -22,7 +22,7 @@ jobs:
       MAINNET3_ETHEREUM_RPC_URLS: ${{ secrets.MAINNET3_ETHEREUM_RPC_URLS }}
       TESTNET4_SEPOLIA_RPC_URLS: ${{ secrets.TESTNET4_SEPOLIA_RPC_URLS }}
 
-    timeout-minutes: 10
+    timeout-minutes: 30
     strategy:
       fail-fast: false
       matrix: