add matrix_synapse_ext_password_provider_ldap_tls_options_validate var

roles/custom/matrix-synapse/defaults/main.yml

@@ -1373,6 +1373,7 @@ matrix_synapse_ext_password_provider_ldap_bind_password: ""
 matrix_synapse_ext_password_provider_ldap_filter: ""
 matrix_synapse_ext_password_provider_ldap_active_directory: false
 matrix_synapse_ext_password_provider_ldap_default_domain: ""
+matrix_synapse_ext_password_provider_ldap_tls_options_validate: true
 
 # Enable this to activate the Synapse Antispam spam-checker module.
 # See: https://github.com/t2bot/synapse-simple-antispam

roles/custom/matrix-synapse/templates/synapse/homeserver.yaml.j2

@@ -2550,6 +2550,8 @@ password_providers:
       bind_password: {{ matrix_synapse_ext_password_provider_ldap_bind_password | string|to_json }}
 {% endif %}
       filter: {{ matrix_synapse_ext_password_provider_ldap_filter | string|to_json }}
+      tls_options:
+        validate: {{ matrix_synapse_ext_password_provider_ldap_tls_options_validate | to_json }}
 {% endif %}
 {% endif %}