Fixed typo in livekit server hostname

roles/custom/matrix-livekit-server/defaults/main.yml

@@ -21,7 +21,7 @@ matrix_livekit_server_hostname: "sfu.{{ matrix_domain }}"
 # Traefik Configuration for Element Call
 matrix_livekit_server_container_labels_traefik_enabled: true
 matrix_livekit_server_container_labels_traefik_docker_network: "{{ matrix_livekit_server_container_network }}"
-matrix_livekit_server_container_labels_traefik_hostname: "{{ matrix_livekit_server_domain }}"
+matrix_livekit_server_container_labels_traefik_hostname: "{{ matrix_livekit_server_hostname }}"
 # The path prefix must either be `/` or not end with a slash (e.g. `/element`).
 matrix_livekit_server_container_labels_traefik_path_prefix: "{{ matrix_livekit_server_path_prefix }}"
 matrix_livekit_server_container_labels_traefik_rule: "Host(`{{ matrix_livekit_server_container_labels_traefik_hostname }}`){% if matrix_livekit_server_container_labels_traefik_path_prefix != '/' %} && PathPrefix(`{{ matrix_livekit_server_container_labels_traefik_path_prefix }}`){% endif %}"