Upgrade matrix-mailer / exim (4.92 -> 4.92.1)

roles/matrix-mailer/defaults/main.yml

@@ -2,7 +2,7 @@ matrix_mailer_enabled: true
 
 matrix_mailer_base_path: "{{ matrix_base_data_path }}/mailer"
 
-matrix_mailer_docker_image: "devture/exim-relay:4.92-r0-0"
+matrix_mailer_docker_image: "devture/exim-relay:4.92.1-r0-0"
 matrix_mailer_docker_image_force_pull: "{{ matrix_mailer_docker_image.endswith(':latest') }}"
 
 # The user/group that the container runs with.