minor #36992 Handle fetch mode deprecation of DBAL 2.11 (derrabus)

This PR was merged into the 4.4 branch.

Discussion
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Handle fetch mode deprecation of DBAL 2.11

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | N/A
| License       | MIT
| Doc PR        | N/A

Continuation of #36987 on the 4.4 branch.

Commits
-------

1385213a9a Handle fetch mode deprecation of DBAL 2.11.

Author: nicolas-grekas

Tests/Security/RememberMe/DoctrineTokenProviderTest.php

@@ -13,7 +13,7 @@
  */
 class DoctrineTokenProviderTest extends TestCase
 {
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         if (\PHP_VERSION_ID >= 80000) {
             self::markTestSkipped('Doctrine DBAL 2.x is incompatible with PHP 8.');