Fix name of plugin.

Author: uhafner

README.adoc

@@ -1,15 +1,15 @@
 :tip-caption: :bulb:
 :imagesdir: etc/images
 
-= Bootstrap 4 Jenkins Plugin
+= Bootstrap 5 Jenkins Plugin
 
 image:https://img.shields.io/jenkins/plugin/v/bootstrap5-api.svg?label=latest%20version[Jenkins Plugin, link=https://plugins.jenkins.io/bootstrap5-api]
 image:https://img.shields.io/github/release/jenkinsci/bootstrap5-api-plugin.svg?label=changelog[Jenkins Version, link=https://github.com/jenkinsci/bootstrap5-api-plugin/releases/latest]
 image:https://img.shields.io/badge/Jenkins-2.249.1-green.svg?label=min.%20Jenkins[Jenkins Version, link=https://jenkins.io/download/lts]
 image:https://ci.jenkins.io/job/Plugins/job/bootstrap5-api-plugin/job/master/badge/icon?subject=Jenkins%20CI[Jenkins, link=https://ci.jenkins.io/job/Plugins/job/bootstrap5-api-plugin/job/master/]
 image:https://github.com/jenkinsci/bootstrap5-api-plugin/workflows/GitHub%20CI/badge.svg?branch=master[GitHub Actions, link=https://github.com/jenkinsci/bootstrap5-api-plugin/actions]
 
-Provides https://getbootstrap.com/[Bootstrap 4] for Jenkins Plugins. Bootstrap is -- according to their self-perception --
+Provides https://getbootstrap.com/[Bootstrap 5] for Jenkins Plugins. Bootstrap is -- according to their self-perception --
 the world’s most popular front-end component library to build responsive, mobile-first projects on the web. It is
 an open source toolkit for developing with HTML, CSS, and JS. Developers can quickly prototype their ideas or
 build entire apps with their Sass variables and mixins, responsive grid system, extensive prebuilt components, and powerful plugins