WordPress upgrade issues fixed, options for WordPress version and automatic updates

What's Changed

WordPress+MDS:

• Fixed issues with WordPress upgrade (WordPress setup has been rewritten).
• Option of WordPress version (wp_version).
• Option for disabling automatic update of WordPress (wp_auto_update).

WordPress+Matomo:

• Fixed issue for generated_ssh_private_key output with sensitive = true

WordPress micro-deployment:

• No changes.