chore(5.x): release 5.2.1 (#197)

🤖 I have created a release *beep* *boop*
---


##
[5.2.1](5.2.0...5.2.1)
(2024-01-23)


### Bug Fixes

* Remove noisy log message about missing guzzle cache middleware
([#195](#195))
([d1119dd](d1119dd))

---
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Please](https://github.com/googleapis/release-please). See
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.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "5.2.0"
+  ".": "5.2.1"
 }

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly PHP SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [5.2.1](https://github.com/launchdarkly/php-server-sdk/compare/5.2.0...5.2.1) (2024-01-23)
+
+
+### Bug Fixes
+
+* Remove noisy log message about missing guzzle cache middleware ([#195](https://github.com/launchdarkly/php-server-sdk/issues/195)) ([d1119dd](https://github.com/launchdarkly/php-server-sdk/commit/d1119dd3c7d0bbe5375b05b9bfc74280844fb957))
+
 ## [5.2.0] - 2023-10-23
 ### Deprecated:
 - `LDUser` is now deprecated in favor of `LDContext`.

src/LaunchDarkly/LDClient.php

@@ -34,7 +34,7 @@ class LDClient
      * The current SDK version.
      * @var string
      */
-    const VERSION = '5.2.0'; // x-release-please-version
+    const VERSION = '5.2.1'; // x-release-please-version
 
     protected string $_sdkKey;
     protected string $_baseUri;