Create change_request.md

.github/ISSUE_TEMPLATE/change_request.md

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+---
+name: Change Request
+about: Submit a change request for review and deployment.
+title: "[Change Request] <Short Title>"
+labels: change-request
+assignees: ""
+---
+
+## Change Request Summary
+Provide a concise summary of the change you are proposing. Include a brief title and description.
+
+**Example:** "Upgrade authentication library to v2.5.1 to address CVE-2023-XXXX."
+
+## Change Details
+- **What is being changed?**  
+  Describe the components or services affected.
+
+- **Why is this change needed?**  
+  Explain the motivation (bug fix, security patch, new feature, etc.).
+
+- **Change Type:**  
+  - [ ] Planned Change  
+  - [ ] Emergency Change  
+
+- **Priority:**  
+  Indicate the appropriate priority level (P1, P2, P3, P4).
+
+## Impact Analysis
+- **Affected Systems/Components:**  
+  List all systems or components impacted by this change.
+
+- **Security Impact Analysis (SIA):**  
+  - Describe potential security risks, vulnerabilities, or changes to controls.  
+  - Has a SIA been performed? **Yes / No**  
+  - Attach or link any supporting documentation.
+
+- **Privacy Impact Assessment (PIA):**  
+  - Describe any potential privacy risks or impacts on data handling.  
+  - Has a PIA been performed? **Yes / No**  
+  - Attach or link any supporting documentation.
+
+## Rollback Plan
+Outline your rollback plan if this change causes issues. Detail the steps to revert the change and restore service.
+
+## Approvals
+This change requires review and sign-off by the following stakeholders:
+- [ ] **Security Team**  
+- [ ] **Platform Operations**  
+- [ ] **Pages Operations**  
+- [ ] **System Owner**
+
+*(If auto-assignment did not occur, please manually tag the appropriate reviewers.)*
+
+## Additional Information
+Provide any further details, related issue references, or links to documentation that may assist in the review process.
+
+---
+
+*Please ensure all sections are completed before submitting this change request.*