DDS: Openvpn: Update Pipeline and Classifier Tags

[manan-crest]

What does this PR do?

• This PR updates the pipeline to add support for authentication failure events.

Motivation

Review checklist (to be filled by reviewers)

• [ ] Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• [ ] Add the qa/skip-qa label if the PR doesn't need to be tested during QA.
• [ ] If you need to backport this PR to another branch, you can add the backport/<branch-name> label to the PR and it will automatically open a backport PR once this one is merged