Add matrix_nginx_proxy_container_network variable

roles/custom/matrix-nginx-proxy/templates/bin/lets-encrypt-certificates-renew.j2

@@ -12,7 +12,7 @@ docker run \
 	--name=matrix-certbot \
 	--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
 	--cap-drop=ALL \
-	--network="{{ matrix_docker_network }}" \
+	--network="{{ matrix_nginx_proxy_container_network }}" \
 	-p 127.0.0.1:{{ matrix_ssl_lets_encrypt_certbot_standalone_http_port }}:8080 \
 	--mount type=bind,src={{ matrix_ssl_config_dir_path }},dst=/etc/letsencrypt \
 	--mount type=bind,src={{ matrix_ssl_log_dir_path }},dst=/var/log/letsencrypt \

roles/custom/matrix-nginx-proxy/templates/systemd/matrix-nginx-proxy.service.j2

@@ -24,7 +24,7 @@ ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \
 			--cap-drop=ALL \
 			--read-only \
 			--tmpfs=/tmp:rw,noexec,nosuid,size={{ matrix_nginx_proxy_tmp_directory_size_mb }}m \
-			--network={{ matrix_docker_network }} \
+			--network={{ matrix_nginx_proxy_container_network }} \
 			{% if matrix_nginx_proxy_container_http_host_bind_port %}
 			-p {{ matrix_nginx_proxy_container_http_host_bind_port }}:8080 \
 			{% endif %}