Upgrade build-scripts to 3.4.0

This version fixes docker-compose health checks for dependent services. See
https://github.com/overleaf/dev-environment/pull/409 for details.

services/clsi/buildscript.txt

@@ -6,4 +6,4 @@ clsi
 --env-pass-through=TEXLIVE_IMAGE
 --node-version=10.22.1
 --public-repo=True
---script-version=3.3.3
+--script-version=3.4.0

services/clsi/docker-compose.ci.yml

@@ -22,6 +22,7 @@ services:
     environment:
       ELASTIC_SEARCH_DSN: es:9200
       REDIS_HOST: redis
+      QUEUES_REDIS_HOST: redis
       MONGO_HOST: mongo
       POSTGRES_HOST: postgres
       MOCHA_GREP: ${MOCHA_GREP}

services/clsi/docker-compose.yml

@@ -31,6 +31,7 @@ services:
     environment:
       ELASTIC_SEARCH_DSN: es:9200
       REDIS_HOST: redis
+      QUEUES_REDIS_HOST: redis
       MONGO_HOST: mongo
       POSTGRES_HOST: postgres
       MOCHA_GREP: ${MOCHA_GREP}