Merge branch 'main' into add-days-and-hours

Dockerfile

@@ -9,7 +9,6 @@ RUN composer install --optimize-autoloader --prefer-dist --no-progress --no-inte
 FROM php:7.4-cli-alpine AS phing
 MAINTAINER Phing <info@phing.info>
 
-RUN mkdir /app
 WORKDIR /app
 
 ADD bin/phing* bin/

README.md

@@ -1,4 +1,4 @@
-<h1><img width="30" src="https://raw.githubusercontent.com/phingofficial/phing-github-action/main/action.svg"/>P     H     I     N     G</h1>
+<h1><img alt="Phing Logo" width="30" src="https://raw.githubusercontent.com/phingofficial/phing-github-action/main/action.svg"/>P     H     I     N     G</h1>
 
   ![Phing CI](https://github.com/phingofficial/phing/workflows/Phing%20CI/badge.svg?branch=main)
   [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/phingofficial/phing/badges/quality-score.png?b=main)](https://scrutinizer-ci.com/g/phingofficial/phing/?branch=main)

UPGRADING.md

@@ -9,7 +9,10 @@ that you might stumble across when upgrading from Phing 2 to 3.
 * Phing now requires at least PHP 7.3.
 * All Phing code is now namespaced. This means that existing references to classes
   that existed in earlier Phing versions will no longer work. For example, the
-  class `PhingFile` has been moved to `Phing\Io\File`.
+  class `PhingFile` has been moved to `Phing\Io\File`. If you are used to providing
+  a specific logger or listener when running Phing (such as `phing.listener.DefaultLogger`),
+  you will need to adjust this (to `Phing\Listener\DefaultLogger`, for example).
+  The documentation has been modified to reflect this.
 * Support for dot-path classnames (i.e., `foo.bar.FooBar`) has been removed.
 * Omitting the `basedir` property in the root `project` tag now means "." instead
   of the current working directory. This effectively reverts the change made in