chore: update pull request template

.github/pull_request_template.md

@@ -1,32 +1,45 @@
 ### Description
 
-#### What is changing?
+#### Summary of Changes
 
-##### Is there new documentation needed for these changes?
+<!-- Please describe the changes in this PR in a high-level overview. -->
 
-#### What is the motivation for this change?
+##### Notes for Reviewers
+
+<!-- 
+If there is any additional context on the changes in the PR that reviewers might find helpful, feel free to make notes in this section.
 
-<!-- If this is a bug, it helps to describe the current behavior and a clear outline of the expected behavior -->
-<!-- If this is a feature, it helps to describe the new use case enabled by this change -->
+Otherwise, feel free to remove this section.
+-->
+
+#### What is the motivation for this change?
 
 <!--
-Contributors!
-First of all, thank you so much!!
-If you haven't already, it would greatly help the team review this work in a timely manner if you create a JIRA ticket to track this PR.
-You can do that here: https://jira.mongodb.org/projects/NODE
+Remove this section if there is an associated Jira ticket explaining the motiviation for this change.  If there is not, please fill this section out with 
+information explaining why this change is valuable.
 -->
 
 ### Release Highlight
 
+<!-- 
+For user facing changes: please provide release notes.  Feel free to browse previous release for example release highlights.  For an 
+example PR which has the release notes section filled out, see https://github.com/mongodb/node-mongodb-native/pull/4642.
+
+If there are no user-facing changes in this PR, please delete the release highlight section from the PR description.
+
+Contributors: If you are unsure if there should be rlease notes for the changes in this PR, leave the template alone and 
+the Node driver team will fill in release notes, if necessary.
+-->
+
 <!-- RELEASE_HIGHLIGHT_START -->
 
-### Fill in title or leave empty for no highlight
+### Release notes highlight
 
 <!-- RELEASE_HIGHLIGHT_END -->
 
 ### Double check the following
 
-- [ ] Ran `npm run check:lint` script
+- [ ] Lint is passing (`npm run check:lint`)
 - [ ] Self-review completed using the [steps outlined here](https://github.com/mongodb/node-mongodb-native/blob/HEAD/CONTRIBUTING.md#reviewer-guidelines)
 - [ ] PR title follows the [correct format](https://www.conventionalcommits.org/en/v1.0.0/): `type(NODE-xxxx)[!]: description`
   - Example: `feat(NODE-1234)!: rewriting everything in coffeescript`