#81 Change PHP refererence in php_compatibility task test and readme to 8.1.

Author: hkirsman

src/Task/PhpCompatibility/README.md

@@ -14,7 +14,7 @@ parameters:
                 - '/libraries/'
             extensions: ['php', 'inc', 'module', 'install', 'theme']
             run_on: ['.']
-            testVersion: '8.0'
+            testVersion: '8.1'
             standard: 'PHPCompatibility'
             parallel: 20
     extensions:

tests/PhpCompatibility/PhpCompatibilityTaskTest.php

@@ -47,7 +47,7 @@ public function testBuildsProcessArguments(): void {
     $stub->method('getConfig')->willReturn($taskConfig);
     $taskConfig->method('getOptions')->willReturn([
       'standard' => 'php-compatibility.xm',
-      'testVersion' => '8.0',
+      'testVersion' => '8.1',
       'extensions' => ['php'],
       'run_on' => ['.'],
       'ignore_patterns' => ['/vendor/'],