[TASK] Update phpdocumentor/reflection-docblock dependency

This change updates the `phpdocumentor/reflection-docblock`
dependency to a version including required fixes to mitigate
native PHP 8.5.0 deprecations.

Used command(s):

> Build/Scripts/runTests.sh -s composer -- require \
    -d typo3/sysext/extbase --no-update \
    'phpdocumentor/reflection-docblock':'^5.6.3' \
  && Build/Scripts/runTests.sh -s composer -- require \
    'phpdocumentor/reflection-docblock':'^5.6.3'

Resolves: #108023
Releases: main, 13.4, 12.4
Change-Id: I4af036066e2ab02ae0bcc080ae98f908d944d7a7
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/91469
Tested-by: Stefan Bürk <[email protected]>
Reviewed-by: Stefan Bürk <[email protected]>
Tested-by: core-ci <[email protected]>

Author: sbuerk

composer.json

@@ -20,7 +20,7 @@
 	},
 	"require": {
 		"doctrine/instantiator": "^1.5 || ^2.0",
-		"phpdocumentor/reflection-docblock": "^5.2",
+		"phpdocumentor/reflection-docblock": "^5.6.3",
 		"phpdocumentor/type-resolver": "^1.7.1",
 		"symfony/dependency-injection": "^6.4 || ^7.0",
 		"symfony/property-access": "^6.4 || ^7.0",