Update PR template for PCI (#13387)

Author: devashish-patel

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,19 +1,31 @@
-**DELETE THIS TEMPLATE BEFORE SUBMITTING**
+**DELETE THIS PART BEFORE SUBMITTING**
 
 In order to have a good experience with our community, we recommend that you
 read the contributing guidelines for making a PR, and understand the lifecycle
-of a Packer PR:
-
-https://github.com/hashicorp/packer/blob/master/.github/CONTRIBUTING.md#opening-an-pull-request
-
-Describe the change you are making here!
+of a Packer Plugin PR:
+- https://github.com/hashicorp/$REPO_NAME/blob/main/.github/CONTRIBUTING.md#opening-an-pull-request
 
 Please include tests. Check out these examples:
 
 - https://github.com/hashicorp/packer/blob/master/builder/parallels/common/ssh_config_test.go#L34
 - https://github.com/hashicorp/packer/blob/master/post-processor/compress/post-processor_test.go#L153-L182
 
-If your PR resolves any open issue(s), please indicate them like this so they will be closed when your PR is merged:
+----
+
+### Description
+What code changed, and why?
 
+### Resolved Issues
+If your PR resolves any open issue(s), please indicate them like this so they 
+will be closed when your PR is merged:
 Closes #xxx
 Closes #xxx
+
+<!-- heimdall_github_prtemplate:grc-pci_dss-2024-01-05 -->
+### Rollback Plan
+If a change needs to be reverted, we will roll out an update to the code within 
+7 days.
+
+### Changes to Security Controls
+Are there any changes to security controls (access controls, encryption, logging) 
+in this pull request? If so, explain.