[TASK] Additionally removes dangling docker volumes with runTests.sh -u

Over time dangling local anonymous docker volumes
pollutes local docker environments and consuming
space on core contributors discs.

This patch additionally removes dangling, unused
anonymous local docker volumes when updating core
testing images are requested with:

> Build/Scripts/runTests.sh -u

Resolves: #97361
Releases: main, 11.5, 10.4
Change-Id: I6b25a88a9ff119035eea7d5efd6c415bd490a3eb
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/74271


Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Jochen <rothjochen@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Jochen <rothjochen@gmail.com>
Reviewed-by: Oliver Bartsch <bo@cedev.de>