[TASK] Fix phpstan checkFunctionArgumentTypes errors in ext:core Session

This patch fixes incompatible type usage in function arguments
and is preparatory work for introducing native type hints and
strict mode in all core files.

Releases: master, 10.4
Resolves: #92258
Change-Id: Ifb2a7a9879e4e6d826137567a5224adef33eadc1
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/65678


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>

typo3/sysext/core/Classes/Session/SessionManager.php

@@ -95,7 +95,7 @@ class SessionManager implements SingletonInterface
      * Creates a session backend from configuration
      *
      * @param string $identifier the identifier
-     * @param array $configuration The session configuration array
+     * @param array<string, class-string> $configuration The session configuration array
      * @return SessionBackendInterface
      * @throws \InvalidArgumentException
      */