chore(ci): pin consensus client Docker images to specific versions for stability

Author: samcm

.github/workflows/integration.yaml

@@ -14,15 +14,15 @@ jobs:
       matrix:
         include:
           # Mainnet
-          - {consensus: lighthouse, network: mainnet, image: 'sigp/lighthouse:latest'}
-          - {consensus: teku, network: mainnet, image: 'consensys/teku:latest'}
-          - {consensus: prysm, network: mainnet, image: 'gcr.io/prysmaticlabs/prysm/beacon-chain:latest'}
-          - {consensus: nimbus, network: mainnet, image: 'statusim/nimbus-eth2:amd64-latest'}
-          - {consensus: lodestar, network: mainnet, image: 'chainsafe/lodestar:latest'}
+          - {consensus: lighthouse, network: mainnet, image: 'sigp/lighthouse:v8.0.1'}
+          - {consensus: teku, network: mainnet, image: 'consensys/teku:25.11.0'}
+          - {consensus: prysm, network: mainnet, image: 'gcr.io/prysmaticlabs/prysm/beacon-chain:v7.0.0'}
+          - {consensus: nimbus, network: mainnet, image: 'statusim/nimbus-eth2:amd64-v25.11.0'}
+          - {consensus: lodestar, network: mainnet, image: 'chainsafe/lodestar:v1.36.0'}
           # Hoodi
-          - {consensus: lighthouse, network: hoodi, image: 'sigp/lighthouse:v8.0.0'}
+          - {consensus: lighthouse, network: hoodi, image: 'sigp/lighthouse:v8.0.1'}
           - {consensus: teku, network: hoodi, image: 'consensys/teku:25.11.0'}
-          - {consensus: prysm, network: hoodi, image: 'gcr.io/prysmaticlabs/prysm/beacon-chain:v6.1.1'}
+          - {consensus: prysm, network: hoodi, image: 'gcr.io/prysmaticlabs/prysm/beacon-chain:v7.0.0'}
           - {consensus: nimbus, network: hoodi, image: 'statusim/nimbus-eth2:amd64-v25.11.0'}
           - {consensus: lodestar, network: hoodi, image: 'chainsafe/lodestar:v1.36.0'}
     runs-on: ubuntu-latest