PDP-536: Adding copyright check

[SameeraPriyathamTadikonda]

No description provided.

[Copilot]

Pull Request Overview

This PR adds copyright header validation to the CI/CD pipeline by integrating a copyright check workflow and configuring exclusion rules.

• Adds a new copyright validation job to the PR workflow
• Creates configuration file to define copyright validation rules and exclusions
• Updates the workflow name from "JIRA ID Validator" to "PR Workflow" to reflect expanded scope

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.github/workflows/pr-workflow.yaml	Adds copyright validation job and updates workflow name
.copyrightconfig	Defines copyright validation configuration with start year and file exclusions

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[yunzvanessa]

Looks good. Thanks