Disables stack size checking in PHP >8.3 in Firestore tests

grpc/grpc#38184
googleapis/gax-php#584
https://www.php.net/manual/en/info.configuration.php#ini.zend.reserved-stack-size

Author: jeromegamez

tests/Integration/Factory/FirestoreTest.php

@@ -14,6 +14,29 @@
  */
 final class FirestoreTest extends IntegrationTestCase
 {
+    private string|false $zendMaxAllowedStackSize;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        // @see https://github.com/grpc/grpc/issues/38184
+        // @see https://github.com/googleapis/gax-php/issues/584
+        // @see https://www.php.net/manual/en/info.configuration.php#ini.zend.reserved-stack-size
+        $this->zendMaxAllowedStackSize = ini_get('zend.max_allowed_stack_size');
+
+        if (PHP_VERSION_ID >= 80300 && $this->zendMaxAllowedStackSize >= 0) {
+            ini_set('zend.max_allowed_stack_size', -1);
+        }
+    }
+
+    protected function tearDown(): void
+    {
+        ini_set('zend.max_allowed_stack_size', $this->zendMaxAllowedStackSize);
+
+        parent::tearDown();
+    }
+
     /**
      * If we write a document into the instance created without an explicit database name,
      * we should be able to read it from the instance created with an explicit database name.