[Agent] Improved PR Template (#5194)

* [Agent] Improved PR Template

Author: AdityaMankal-MS

.github/pull_request_template.md

@@ -1,12 +1,23 @@
+### **Context**
+_Explain the context or motivation behind this PR. Include links to any related Azure DevOps Work Items or GitHub issues._  
+📌 [How to link to ADO Work Items](https://learn.microsoft.com/en-us/azure/devops/boards/github/link-to-from-github?view=azure-devops)
 
+---
 
-**Issue:** <Please describe the issue and add links to issue this is resolving>
-> Note: For adding link to ADO WI see [here](https://learn.microsoft.com/en-us/azure/devops/boards/github/link-to-from-github?view=azure-devops).
+### **Description**
+_Provide a concise summary of the changes introduced in this PR._
 
-**Description:** <Describe your changes here>
+---
 
-**Risk Assesment(Low/Medium/High)**: <Please add the reasoning for the risk assesment>
+### **Risk Assessment** (Low / Medium / High)  
+_Assess the risk level and justify your assessment. For example: code path sensitivity, usage scope, or backward compatibility concerns._
 
-**Added unit tests:** (Y/N) <Please mark if unit tests were added or updated according changes>
+---
 
-**Additional Tests Performed:** <Add the list of tests Manual or Automated performed for your changes>
+### **Unit Tests Added or Updated** (Yes / No)  
+_Indicate whether unit tests were added or modified to reflect the changes._
+
+---
+
+### **Additional Testing Performed**
+_List manual or automated tests performed beyond unit tests (e.g., integration, scenario, regression)._