Fix bad link in CHANGELOG

Author: bgrant

CHANGELOG.md

@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [1.0.2] - 2024-02-05
-- [PR 2](https://github.com/salesforce/django-request-queue-timeout/pull/2) Update publish-release.yml
+- [PR 4](https://github.com/salesforce/django-request-queue-timeout/pull/4) Update publish-release.yml
 
 ## [1.0.1] - 2024-02-05
 - [PR 1](https://github.com/salesforce/django-request-queue-timeout/pull/1) Set up Dependabot, PR checks, and a CHANGELOG