move changelog to 2.8.3

CHANGELOG.md

@@ -22,7 +22,7 @@ All notable changes to this project will be documented in this file, in reverse
 
 ### Fixed
 
-- Nothing.
+[#149](https://github.com/zendframework/zend-http/pull/149) Client::setUri() should keep relative uri status
 
 ## 2.8.2 - 2018-08-13
 
@@ -106,7 +106,7 @@ All notable changes to this project will be documented in this file, in reverse
 
 ### Fixed
 
-- [#149](https://github.com/zendframework/zend-http/pull/149) Client::setUri() should keep relative uri status
+- Nothing.
 
 ## 2.8.0 - 2018-04-26
 
@@ -336,4 +336,4 @@ All notable changes to this project will be documented in this file, in reverse
 - [#14](https://github.com/zendframework/zend-http/pull/14) fixes
   `Zend\Http\PhpEnvironment\Request` to ensure that empty `SCRIPT_FILENAME` and
   `SCRIPT_NAME` values which result in an empty `$baseUrl` will not raise an
-  `E_WARNING` when used to do a `strpos()` check during base URI detection.
+  `E_WARNING` when used to do a `strpos()` check during base URI detection.