Merge branch '11.12' into 11.13

Author: GrahamCampbell

README.md

@@ -23,7 +23,7 @@ Check out the [change log](CHANGELOG.md), [releases](https://github.com/GitLabPH
 
 ## Installation
 
-This version supports [PHP](https://php.net) 7.4-8.2. To get started, simply require the project using [Composer](https://getcomposer.org). You will also need to install packages that "provide" [`psr/http-client-implementation`](https://packagist.org/providers/psr/http-client-implementation) and [`psr/http-factory-implementation`](https://packagist.org/providers/psr/http-factory-implementation).
+This version supports [PHP](https://php.net) 7.4-8.3. To get started, simply require the project using [Composer](https://getcomposer.org). You will also need to install packages that "provide" [`psr/http-client-implementation`](https://packagist.org/providers/psr/http-client-implementation) and [`psr/http-factory-implementation`](https://packagist.org/providers/psr/http-factory-implementation).
 
 ### Standard Installation