The phpunit/phpunit composer dependency has been updated to 9.5.8

Author: andrewbess

.github/workflows/php.yml

@@ -14,18 +14,14 @@ jobs:
  fail-fast: false
  matrix:
  php-version:
- - "7.2"
  - "7.3"
  - "7.4"
+ - "8.0"
  dependencies:
  - "lowest"
  - "highest"
  experimental:
  - false
- include:
- - php-version: "8.0"
- dependencies: "highest"
- composer-options: "--ignore-platform-reqs"
  name: Tests with PHP ${{ matrix.php-version }} and ${{ matrix.dependencies }} dependencies
 
  steps:

Magento2/Tests/GraphQL/AbstractGraphQLSniffUnitTestCase.php

@@ -16,7 +16,7 @@ abstract class AbstractGraphQLSniffUnitTestCase extends AbstractSniffUnitTest
  /**
  * @inheritDoc
  */
- protected function setUp()
+ protected function setUp(): void
  {
  //let parent do its job
  parent::setUp();