Update Jitsi stable-7648-3 -> stable-7648-4

roles/matrix-jitsi/defaults/main.yml

@@ -72,7 +72,7 @@ matrix_jitsi_jibri_recorder_password: ''
 
 matrix_jitsi_enable_lobby: false
 
-matrix_jitsi_version: stable-7648-3
+matrix_jitsi_version: stable-7648-4
 matrix_jitsi_container_image_tag: "{{ matrix_jitsi_version }}"  # for backward-compatibility
 
 matrix_jitsi_web_docker_image: "{{ matrix_container_global_registry_prefix }}jitsi/web:{{ matrix_jitsi_container_image_tag }}"