Fix syntax error in group_vars/matrix_servers

group_vars/matrix_servers

@@ -854,7 +854,7 @@ matrix_ssl_architecture: "{{
 	}[matrix_architecture]
 }}"
 
-matrix_ssl_pre_obtaining_required_service_name: "{{ 'matrix-dynamic-dns' if matrix_dynamic_dns_enabled else '' }}
+matrix_ssl_pre_obtaining_required_service_name: "{{ 'matrix-dynamic-dns' if matrix_dynamic_dns_enabled else '' }}"
 
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