Add CyberArk 15.2 feature support

[johannesconsulting]

Description

Adds some Self-Hosted 15.2 commands and extends existing ones with tests and command documentation.
I have only tested these changes on a 15.2 environment!

Added:

• New-PASPlatformSecret: generate a secret for a platform
• Stop-PASCPMTask: cancel a pending CPM task for an account
• Resume-PASCPMAutoManagement: resume CPM auto management for an account

Updated:

• Set-PASSafe: add Quota parameter, allow NumberOfVersionsRetention value of 0
• Add-PASSafe: add Quota parameter, allow NumberOfVersionsRetention value of 0
• Get/Start/Stop/Restart-PASVRMService: add ENE serviceName value

Got some help by AI to create the tests and documentation, for info.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that makes existing functionality work differently)
• Documentation update (psPAS website or command help content)
• Other (see description)

How Has This Been Tested?

• Pester test(s) update required
• Pester test(s) updated
• Pester test(s) passing

Test Configuration:

• PowerShell version: 7
• CyberArk PAS version: 15.2
• OS Version: Windows Server 2025

Checklist:

• My code follows the style guidelines of this project
• I have followed the contributing guidelines.
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new test failures or errors
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have opened & linked a related issue
• I have linked a related issue

[pspete]

Happy to accept the 15.2 updates - just needs a confirmation of update on the commented files above

[johannesconsulting]

I have updated the PR to not include the cleanup part, now it should only contain 15.2 related updates while keeping legacy support