Updated release automation

[harishp8889]

Description

1. Updated release action to push reverse-proxy image

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
dell/csm#1490

Checklist:

• Have you run format, vet & lint checks against your submission?
• Have you made sure that the code compiles?
• Did you run the unit & integration tests successfully?
• Have you maintained at least 90% code coverage?
• Have you commented your code, particularly in hard-to-understand areas
• Have you done corresponding changes to the documentation
• Did you run tests in a real Kubernetes cluster?
• Backward compatibility is not broken

How Has This Been Tested?

Covered test scenarios mentioned here: dell/common-github-actions#112