Fix "too many spaces after colon" ansible-lint error

roles/matrix-dynamic-dns/defaults/main.yml

@@ -7,7 +7,7 @@ matrix_dynamic_dns_enabled: true
 # The dynamic dns daemon interval
 matrix_dynamic_dns_daemon_interval: '300'
 
-matrix_dynamic_dns_version:  v3.10.0-ls103
+matrix_dynamic_dns_version: v3.10.0-ls103
 
 # The docker container to use when in mode
 matrix_dynamic_dns_docker_image: "{{ matrix_dynamic_dns_docker_image_name_prefix }}linuxserver/ddclient:{{ matrix_dynamic_dns_version }}"