update mautrix-discord 0.3.0 -> 0.4.0

roles/custom/matrix-bridge-mautrix-discord/defaults/main.yml

@@ -8,7 +8,7 @@ matrix_mautrix_discord_container_image_self_build: false
 matrix_mautrix_discord_container_image_self_build_repo: "https://mau.dev/mautrix/discord.git"
 matrix_mautrix_discord_container_image_self_build_branch: "{{ 'main' if matrix_mautrix_discord_version == 'latest' else matrix_mautrix_discord_version }}"
 
-matrix_mautrix_discord_version: v0.3.0
+matrix_mautrix_discord_version: v0.4.0
 # See: https://mau.dev/mautrix/discord/container_registry
 matrix_mautrix_discord_docker_image: "{{ matrix_mautrix_discord_docker_image_name_prefix }}mautrix/discord:{{ matrix_mautrix_discord_version }}"
 matrix_mautrix_discord_docker_image_name_prefix: "{{ 'localhost/' if matrix_mautrix_discord_container_image_self_build else 'dock.mau.dev/' }}"