Pin version before LC ABI changes

In EspressoSystems/espresso-sequencer#1939
the light client ABI changed and as a result we need to make changes in
multiple places.

The tracking issue for the changes in our nitro integration is

https://github.com/EspressoSystems/nitro-contracts/issues/20

test-node.bash

@@ -9,7 +9,7 @@ DEFAULT_NITRO_CONTRACTS_REPO="https://github.com/OffchainLabs/nitro-contracts.gi
 DEFAULT_NITRO_CONTRACTS_VERSION="99c07a7db2fcce75b751c5a2bd4936e898cda065"
 DEFAULT_TOKEN_BRIDGE_VERSION="v1.2.2"
 
-ESPRESSO_VERSION=ghcr.io/espressosystems/nitro-espresso-integration/nitro-node-dev:integration
+ESPRESSO_VERSION=ghcr.io/espressosystems/nitro-espresso-integration/nitro-node-dev:20240906-lc-legacy-abi
 
 # Set default versions if not overriden by provided env vars
 : ${NITRO_CONTRACTS_REPO:=$DEFAULT_NITRO_CONTRACTS_REPO}