Merge pull request #10 from Chris53897/feature/new

feat: fix PHP 8.4 deprecation

src/CheckResults.php

@@ -31,7 +31,7 @@ public static function fromJson(string $json): CheckResults
      * @param \DateTimeInterface|null $finishedAt
      * @param array<int, CheckResult> $checkResults
      */
-    public function __construct(DateTimeInterface $finishedAt = null, array $checkResults = [])
+    public function __construct(DateTimeInterface|null $finishedAt = null, array $checkResults = [])
     {
         $this->finishedAt = $finishedAt ?? new DateTime();