fix CI

.gitlab-ci.yml

@@ -11,7 +11,7 @@ before_script:
   - corepack enable
   - yarn set version berry
   - yarn install --network-timeout 10000
-  - HOST=ci yarn prepare
+  - HOSTNAME=ci yarn prepare
 
 cache:
   paths:

env/setupEnv.mjs

@@ -2,9 +2,9 @@
  * Post install script: create or replace the symlink .env
  * to the .env file matching the current environment
  *
- * To force an hostname, define an env variable named HOST :
+ * To force a hostname, define an env variable named HOSTNAME :
  *
- *     HOST=ci node ./env/setupEnv.mjs
+ *     HOSTNAME=ci node ./env/setupEnv.mjs
  *
  */
 import os from 'os'