Make constraints compatible with PHPUnit 10

Author: Naktibalda

src/Codeception/Constraint/Crawler.php

@@ -42,7 +42,7 @@ protected function matches($nodes): bool
      * @param string $selector
      * @param ComparisonFailure|null $comparisonFailure
      */
-    protected function fail($nodes, $selector, ComparisonFailure $comparisonFailure = null): void
+    protected function fail($nodes, $selector, ComparisonFailure $comparisonFailure = null): never
     {
         if (!$nodes->count()) {
             throw new ElementNotFound($selector, 'Element located either by name, CSS or XPath');

src/Codeception/Constraint/CrawlerNot.php

@@ -24,7 +24,7 @@ protected function matches($nodes): bool
      * @param string $selector
      * @param ComparisonFailure|null $comparisonFailure
      */
-    protected function fail($nodes, $selector, ComparisonFailure $comparisonFailure = null): void
+    protected function fail($nodes, $selector, ComparisonFailure $comparisonFailure = null): never
     {
         if (!$this->string) {
             throw new ExpectationFailedException(