hive: Don't update geth version used for L1

.circleci/config.yml

@@ -1256,7 +1256,7 @@ jobs:
             ./hive \
             -sim=<<parameters.sim>> \
             -sim.loglevel=5 \
-            -client=go-ethereum_v1.12.0,op-geth_optimism,op-proposer_<<parameters.version>>,op-batcher_<<parameters.version>>,op-node_<<parameters.version>> |& tee /tmp/hive.log
+            -client=go-ethereum_v1.11.6,op-geth_optimism,op-proposer_<<parameters.version>>,op-batcher_<<parameters.version>>,op-node_<<parameters.version>> |& tee /tmp/hive.log
       - run:
           command: |
             tar -cvf /tmp/workspace.tgz -C /home/circleci/project /home/circleci/project/workspace