lvm_pv: new module for LVM Physical Volumes (#10070)

* Added LVM Physical Volume module

* Fixed CI checks

* python 2.7 compatibility

* Fixed another fprint line not compatible with python 2.x

* Applied cosmetic changes

* Removed msg from RETURN section

* Updated the 'absent state' block logic

* Added integration tests

* Updated logic for creating loop devices on Alpine Linux

* Updated loop device path

* Minor, cosmetic changes

* Adjust indentation.

---------

Co-authored-by: Felix Fontein <felix@fontein.de>

tests/integration/targets/lvm_pv/tasks/cleanup.yml

@@ -0,0 +1,12 @@
+---
+# 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
+
+- name: Detaching loop device
+  ansible.builtin.command: losetup -d {{ loop_device.stdout }}
+
+- name: Removing loop device file
+  ansible.builtin.file:
+    path: "{{ remote_tmp_dir }}/test_lvm_pv.img"
+    state: absent