Add phpunit 12 as a test option

Add composer test as a test shortcut
Improve phpunit configuration to show issues
Remove obsolete phpunit settings

Author: 8ctopus

composer.json

@@ -25,6 +25,9 @@
         "ext-mbstring": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.5 || ^8 || ^9 || ^10 || ^11"
+        "phpunit/phpunit": "^7.5 || ^8 || ^9 || ^10 || ^11 || ^12"
+    },
+    "scripts": {
+        "test": "phpunit"
     }
 }

phpunit.xml

@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <phpunit backupGlobals="false"
-         backupStaticAttributes="false"
          colors="false"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
          stopOnFailure="false"
          bootstrap="vendor/autoload.php"
+         displayDetailsOnTestsThatTriggerDeprecations="true"
+         displayDetailsOnTestsThatTriggerNotices="true"
+         displayDetailsOnTestsThatTriggerWarnings="true"
+         displayDetailsOnTestsThatTriggerErrors="true"
+         displayDetailsOnSkippedTests="true"
         >
     <testsuites>
         <testsuite name="PHP Font Lib Test Suite">