Issue #3466689 by longwave, catch, nod_, smustgrave: Ignore phpstan-tmp in phpcs.xml.dist

  <exclude-pattern>*/node_modules/*</exclude-pattern>

  <!--Exclude third party code.-->

  <exclude-pattern>./assets/vendor/*</exclude-pattern>

  <!--Exclude the PHPStan baseline from coding standards.-->

  <!--Exclude the PHPStan baseline and temp dir from coding standards.-->

  <exclude-pattern>./core/.phpstan-baseline.php</exclude-pattern>

  <!-- Exclude third-party code maintained within core that does not follow our standards. -->

  <!-- @todo This rule may be removed when https://www.drupal.org/node/1848264 is resolved. -->

  <exclude-pattern>./core/lib/Drupal/Component/Diff/</exclude-pattern>

  <exclude-pattern>./core/phpstan-tmp/*</exclude-pattern>

  <exclude-pattern>./core/tests/Drupal/Tests/Component/Annotation/Doctrine/</exclude-pattern>

  <!--Exclude test files that are intentionally empty, or intentionally violate coding standards.-->