DOC Add PHP8.3 support to the changelog. (#480)

en/08_Changelogs/5.2.0.md

@@ -7,6 +7,7 @@ title: 5.2.0 (unreleased)
 ## Overview
 
 - [Security considerations](#security-considerations)
+- [PHP 8.3 support](#php-83)
 - [Official support for `silverstripe/linkfield`](#linkfield)
 - [Features and enhancements](#features-and-enhancements)
   - [New ORM features](#new-orm-features)
@@ -37,6 +38,12 @@ We have provided a severity rating of the vulnerabilities below based on the CVS
 - [CVE-2023-48714 - Record titles for restricted records can be viewed if exposed by GridFieldAddExistingAutocompleter](https://www.silverstripe.org/download/security-releases/cve-2023-48714) Severity: Medium
 - [CVE-2023-44401 - View permissions are bypassed for paginated lists of ORM data in GraphQL queries](https://www.silverstripe.org/download/security-releases/cve-2023-44401) Severity: Medium
 
+## PHP 8.3 support {#php-83}
+
+This release includes official support for PHP 8.3 for all supported modules. There were no code changes required to add this support, so your upgrades should be fairly straight forward in that regard.
+
+Check out the [PHP 8.3 release announcement](https://www.php.net/releases/8.3/en.php) to see what's new and what's changed.
+
 ## Official support for `silverstripe/linkfield` {#linkfield}
 
 [`silverstripe/linkfield`](https://github.com/silverstripe/silverstripe-linkfield) 4.0.0 has been released and is now a commercially supported module.