container: Add podman secret support

roles/container/tasks/main.yaml

@@ -8,6 +8,13 @@
   loop_control:
     loop_var: network
 
+- name: Create secrets for container {{ container_name }}
+  containers.podman.podman_secret:
+    name: "{{ item.name }}"
+    data: "{{ item.value | default(lookup('community.general.random_string', special=false, length=128)) }}"
+    skip_existing: "{{ item.value is not defined }}"
+  loop: "{{ container_secrets }}"
+
 - name: Create container service {{ container_name }}
   ansible.builtin.template:
     src: container.j2