Ensure Ansible 2.19 compatibility for GitLab role

Author: tobiashuste

roles/gitlab/README.md

@@ -309,7 +309,7 @@ gitlab_ip_range: '{{ ansible_facts.default_ipv4.address }}/24'
 Set switch to `false` to enable external Gitaly instance:
 
 ```yaml
-gitlab_use_internal_gitaly: 'false'
+gitlab_use_internal_gitaly: false
 ```
 
 #### Path to GitLab Data Directory

roles/gitlab/defaults/main.yml

@@ -53,7 +53,7 @@ gitlab_redis_sentinel_port: "26379"
 gitlab_ip_range: "{{ ansible_facts.default_ipv4.address }}/24"
 
 # Whether to use GitLab Omnibus internal Gitaly
-gitlab_use_internal_gitaly: "true"
+gitlab_use_internal_gitaly: true
 # Data directory to use
 gitlab_git_data_dir: "/var/opt/gitlab/git-data"
 # Gitaly token