docs: fix ci badge and https link to composer

Author: Chris8934

README.markdown

@@ -5,14 +5,14 @@ The KnpMenu library provides object oriented menus for PHP.
 It is used by the [KnpMenuBundle](https://github.com/KnpLabs/KnpMenuBundle) for Symfony
 but can now be used stand-alone.
 
-[![Build Status](https://github.com/KnpLabs/KnpMenu/workflows/build/badge.svg)](https://github.com/KnpLabs/KnpMenu/actions)
+[![Build Status](https://github.com/KnpLabs/KnpMenu/actions/workflows/build.yaml/badge.svg)](https://github.com/KnpLabs/KnpMenu/actions/workflows/build.yaml)
 [![Latest Stable Version](https://poser.pugx.org/knplabs/knp-menu/v/stable.svg)](https://packagist.org/packages/knplabs/knp-menu)
 [![Latest Unstable Version](https://poser.pugx.org/knplabs/knp-menu/v/unstable.svg)](https://packagist.org/packages/knplabs/knp-menu)
 [![Gitter chat](https://badges.gitter.im/KnpLabs/KnpMenu.svg)](https://gitter.im/KnpLabs/KnpMenu)
 
 ## Installation
 
-KnpMenu uses Composer, please checkout the [composer website](http://getcomposer.org) for more information.
+KnpMenu uses Composer, please checkout the [composer website](https://getcomposer.org/) for more information.
 
 The simple following command will install `knp-menu` into your project. It also add a new
 entry in your `composer.json` and update the `composer.lock` as well.