Move hosts.

host01 is choking from everything I run on it. ns4 has encrypted volumes
and is secure enough for the logs (I don't think there are passwords or
keys in the logs, just some private information).

.gitlab-ci.yml

@@ -12,7 +12,7 @@ stages:
 
 build:
   extends: .compose-build
-  tags: &tags [host01.shore.co.il]
+  tags: &tags [ns4.shore.co.il]
   variables:
     DOCKER_BUILDKIT: ""
     COMPOSE_DOCKER_CLI_BUILD: ""