Add docker_compose_v2 module (#739)

* Add docker_compose_v2 module.

* Add note on compatibility.

* Parse more events.

Emit warnings (or things we assume are warnings), and report unparsable
messages to the user so they can report them to us.

tests/integration/targets/docker_compose_v2/tasks/main.yml

@@ -0,0 +1,48 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+####################################################################
+# WARNING: These are designed specifically for Ansible tests       #
+# and should not be used as examples of how to write Ansible roles #
+####################################################################
+
+# Create random name prefix (for services, ...)
+- name: Create random container name prefix
+  set_fact:
+    name_prefix: "{{ 'ansible-docker-test-%0x' % ((2**32) | random) }}"
+    cnames: []
+    dnetworks: []
+
+- debug:
+    msg: "Using name prefix {{ name_prefix }}"
+
+# Run the tests
+- block:
+    - command: docker compose --help
+
+    - include_tasks: run-test.yml
+      with_fileglob:
+        - "tests/*.yml"
+      loop_control:
+        loop_var: test_name
+
+  always:
+    - name: "Make sure all containers are removed"
+      docker_container:
+        name: "{{ item }}"
+        state: absent
+        force_kill: true
+      with_items: "{{ cnames }}"
+      diff: false
+
+    - name: "Make sure all networks are removed"
+      docker_network:
+        name: "{{ item }}"
+        state: absent
+        force: true
+      with_items: "{{ dnetworks }}"
+      diff: false
+
+  when: docker_has_compose and docker_compose_version is version('2.18.0', '>=')