Update dock.mau.dev/mautrix/telegram Docker tag to v0.15.3

Author: renovate[bot]

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

@@ -41,7 +41,7 @@ matrix_mautrix_telegram_docker_repo_version: "{{ 'master' if matrix_mautrix_tele
 matrix_mautrix_telegram_docker_src_files_path: "{{ matrix_base_data_path }}/mautrix-telegram/docker-src"
 
 # renovate: datasource=docker depName=dock.mau.dev/mautrix/telegram
-matrix_mautrix_telegram_version: v0.15.2
+matrix_mautrix_telegram_version: v0.15.3
 # See: https://mau.dev/mautrix/telegram/container_registry
 matrix_mautrix_telegram_docker_image: "{{ matrix_mautrix_telegram_docker_image_registry_prefix }}mautrix/telegram:{{ matrix_mautrix_telegram_version }}"
 matrix_mautrix_telegram_docker_image_registry_prefix: "{{ 'localhost/' if matrix_mautrix_telegram_container_image_self_build else matrix_mautrix_telegram_docker_image_registry_prefix_upstream }}"