[TASK] Make some type annotations more specific

This change helps static code analyzers like PHPStan or Psalm.

Resolves: #95104
Releases: master, 10.4

Change-Id: I3c5900e57116c3e4e2ba8542a6c0471a372504f8
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70886


Tested-by: core-ci <typo3@b13.com>
Tested-by: crell <larry@garfieldtech.com>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: crell <larry@garfieldtech.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Rick Septer <rick.septer@maxserv.com>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>