fix(infra): use older version of hc by default

Updates replica.yml in our infra folder to use an older version of the
healthcheck service by default. We'll use latest when we update our
environment variables everywhere later.

infra/op-replica/docker-compose/replica.yml

@@ -34,7 +34,8 @@ services:
       - ../scripts/:/scripts/
     <<: *logging
   replica-healthcheck:
-    image: ethereumoptimism/replica-healthcheck:${HC_IMAGE_TAG:-latest}
+    # TODO: Update this to latest when we fix the environment variables
+    image: ethereumoptimism/replica-healthcheck:${HC_IMAGE_TAG:-0.3.11}
     restart: ${RESTART}
     env_file:
       - ${SHARED_ENV_PATH}/replica-healthcheck.env