Added support for patch release and license header check

[harishp8889]

Description

1. Added support for patch release (n-1, n-2)
2. Added support for license header validation

Issues

List the issues impacted by this PR:

Issue ID
https://github.com/dell/csm/issues/1490

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration

• Tested in fork for n-1 patch (Libraries) : https://github.com/harishp8889/test-gofsutil-automation/actions/runs/14358132666/job/40252397613
• Tested in fork for normal version release (Libraries): https://github.com/harishp8889/test-gofsutil-automation/actions/runs/14358438427/job/40253395851
• Tested for driver with the fork (n-1): https://github.com/harishp8889/test-powerstore-automation/actions/runs/14374596886/job/40304030998
• Tested for driver with fork (normal release): https://github.com/harishp8889/test-powerstore-automation/actions/runs/14374648455/job/40304179725
• License header check test results: new branch for action testing harishp8889/test-gofsutil-automation#1

[meggm]

LGTM