Make use of prebuilt Hydrogen container image on arm64

Supersedes https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/2336

Related to https://github.com/element-hq/hydrogen-web/pull/996

group_vars/matrix_servers

@@ -4221,7 +4221,7 @@ matrix_client_element_jitsi_preferred_domain: "{{ matrix_server_fqn_jitsi if jit
 
 matrix_client_hydrogen_enabled: false
 
-matrix_client_hydrogen_container_image_self_build: "{{ matrix_architecture not in ['amd64'] }}"
+matrix_client_hydrogen_container_image_self_build: "{{ matrix_architecture not in ['arm64', 'amd64'] }}"
 
 matrix_client_hydrogen_container_http_host_bind_port: "{{ (matrix_playbook_service_host_bind_interface_prefix ~ '8768') if matrix_playbook_service_host_bind_interface_prefix else '' }}"