Force-pull Slack Docker image if :latest

roles/matrix-bridge-appservice-slack/defaults/main.yml

@@ -4,6 +4,7 @@
 matrix_appservice_slack_enabled: true
 
 matrix_appservice_slack_docker_image: "cadair/matrix-appservice-slack:latest"
+matrix_appservice_slack_docker_image_force_pull: "{{ matrix_appservice_slack_docker_image.endswith(':latest') }}"
 
 matrix_appservice_slack_base_path: "{{ matrix_base_data_path }}/appservice-slack"
 matrix_appservice_slack_config_path: "{{ matrix_appservice_slack_base_path }}/config"

roles/matrix-bridge-appservice-slack/tasks/setup_install.yml

@@ -4,6 +4,8 @@
   docker_image:
     name: "{{ matrix_appservice_slack_docker_image }}"
     source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
+    force_source: "{{ matrix_appservice_slack_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
+    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_appservice_slack_docker_image_force_pull }}"
 
 - name: Ensure AppService Slack paths exist
   file: