docs(release): generate 3.8.1 changelog (#13874)

* docs(release): genereate 3.8.1 changelog

* Updating changelog to match EE

Author: kevwilliams

changelog/3.8.1/3.8.1.md

@@ -43,6 +43,12 @@
  [#13633](https://github.com/Kong/kong/issues/13633)
 
 
-- **Rate-Limiting**: Fixed an issue that caused an HTTP 500 error when `hide_client_headers` is set to `true` and the request exceeds the rate limit.
+- **Rate-Limiting**: Fixed an issue that caused a 500 error when using the rate-limiting plugin. When the `hide_client_headers` option is set to true and a 429 error is triggered, 
+it should return a 429 error code instead of a 500 error code.
  [#13759](https://github.com/Kong/kong/issues/13759)
  [KAG-5492](https://konghq.atlassian.net/browse/KAG-5492)
+#### Admin API
+
+- Fixed an issue where sending `tags= `(empty parameter) resulted in 500 error. Now, Kong returns a 400 error, as empty explicit tags are not allowed.
+ [#13813](https://github.com/Kong/kong/issues/13813)
+ [KAG-5496](https://konghq.atlassian.net/browse/KAG-5496)