feat: Custom backup and restoration

[alexarefev]

Description

• Provide an ability to manage periodic ETCD backups
• Provide an ability to restore ETCD from periodic backup

Solution

• Change the backup procedure to create CronJob that will manage periodic backup

Test Cases

TestCase 1

Make sure the backup is working

Test Configuration:

• Hardware: 4CPU/8GB
• OS: Ubuntu 22.04
• Inventory: AllInOne

Steps:

1. Run backup with the following options

Results:

Before	After
---	CronJob is running and working correctly

TestCase 2

Make sure the restoration is working

Test Configuration:

• Hardware: 4CPU/8GB
• OS: Ubuntu 22.04
• Inventory: AllInOne

Steps:

1. Run restoration with the following options

Results:

Before	After
---	Restoration has been finished successfully

Checklist

• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• There is no breaking changes, or migration patch is provided
• Integration CI passed
• Unit tests. If Yes list of new/changed tests with brief description
• There is no merge conflicts