[TASK] Name custom handlers in HTTP stack

The Guzzle handler stack allows for pushing handlers/middlewares with a
name which simplifies debugging. A possibly defined handler name is now
pushed onto the stack as well.

Resolves: #97873
Releases: main, 11.5
Change-Id: I94ecbe7bc26f550111407f19f71add3ca7c3a6b2
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/75050


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>