Update hydrogen 0.3.8 -> 0.4.0

roles/custom/matrix-client-hydrogen/defaults/main.yml

@@ -6,7 +6,7 @@ matrix_client_hydrogen_enabled: true
 matrix_client_hydrogen_container_image_self_build: false
 matrix_client_hydrogen_container_image_self_build_repo: "https://github.com/vector-im/hydrogen-web.git"
 
-matrix_client_hydrogen_version: v0.3.8
+matrix_client_hydrogen_version: v0.4.0
 matrix_client_hydrogen_docker_image: "{{ matrix_client_hydrogen_docker_image_name_prefix }}vector-im/hydrogen-web:{{ matrix_client_hydrogen_version }}"
 matrix_client_hydrogen_docker_image_name_prefix: "{{ 'localhost/' if matrix_client_hydrogen_container_image_self_build else 'ghcr.io/' }}"
 matrix_client_hydrogen_docker_image_force_pull: "{{ matrix_client_hydrogen_docker_image.endswith(':latest') }}"