[Tests] Update PHPUnit documentation links

Author: timkrase

best_practices.rst

@@ -463,4 +463,4 @@ you must set up a redirection.
 .. _`feature toggles`: https://en.wikipedia.org/wiki/Feature_toggle
 .. _`smoke testing`: https://en.wikipedia.org/wiki/Smoke_testing_(software)
 .. _`Webpack`: https://webpack.js.org/
-.. _`PHPUnit data providers`: https://docs.phpunit.de/en/9.5/writing-tests-for-phpunit.html#data-providers
+.. _`PHPUnit data providers`: https://docs.phpunit.de/en/9.6/writing-tests-for-phpunit.html#data-providers

components/phpunit_bridge.rst

@@ -1064,11 +1064,11 @@ not find the SUT:
 .. _`PHPUnit`: https://phpunit.de
 .. _`PHPUnit event listener`: https://docs.phpunit.de/en/10.0/extending-phpunit.html#phpunit-s-event-system
 .. _`ErrorHandler component`: https://github.com/symfony/error-handler
-.. _`PHPUnit's assertStringMatchesFormat()`: https://docs.phpunit.de/en/9.5/assertions.html#assertstringmatchesformat
+.. _`PHPUnit's assertStringMatchesFormat()`: https://docs.phpunit.de/en/9.6/assertions.html#assertstringmatchesformat
 .. _`PHP error handler`: https://www.php.net/manual/en/book.errorfunc.php
-.. _`environment variable`: https://docs.phpunit.de/en/9.5/configuration.html#the-env-element
+.. _`environment variable`: https://docs.phpunit.de/en/9.6/configuration.html#the-env-element
 .. _`@-silencing operator`: https://www.php.net/manual/en/language.operators.errorcontrol.php
 .. _`Travis CI`: https://travis-ci.org/
-.. _`test listener`: https://docs.phpunit.de/en/9.5/configuration.html#the-extensions-element
-.. _`@covers`: https://docs.phpunit.de/en/9.5/annotations.html#covers
+.. _`test listener`: https://docs.phpunit.de/en/9.6/configuration.html#the-extensions-element
+.. _`@covers`: https://docs.phpunit.de/en/9.6/annotations.html#covers
 .. _`PHP namespace resolutions rules`: https://www.php.net/manual/en/language.namespaces.rules.php

create_framework/unit_testing.rst

@@ -220,6 +220,6 @@ Symfony code.
 Now that we are confident (again) about the code we have written, we can
 safely think about the next batch of features we want to add to our framework.
 
-.. _`PHPUnit`: https://docs.phpunit.de/en/9.5/
-.. _`test doubles`: https://docs.phpunit.de/en/9.5/test-doubles.html
+.. _`PHPUnit`: https://docs.phpunit.de/en/9.6/
+.. _`test doubles`: https://docs.phpunit.de/en/9.6/test-doubles.html
 .. _`XDebug`: https://xdebug.org/

form/unit_testing.rst

@@ -241,4 +241,4 @@ guessers using the :method:`Symfony\\Component\\Form\\Test\\FormIntegrationTestC
 and :method:`Symfony\\Component\\Form\\Test\\FormIntegrationTestCase::getTypeGuessers`
 methods.
 
-.. _`PHPUnit data providers`: https://docs.phpunit.de/en/9.5/writing-tests-for-phpunit.html#data-providers
+.. _`PHPUnit data providers`: https://docs.phpunit.de/en/9.6/writing-tests-for-phpunit.html#data-providers