[TASK] Change icon of TOTP provider to "actions-qrcode"

Since its introduction, the TOTP provider used
the "content-coffee" icon, which did obviously
not really suit here. Therefore, the TOTP provider
is now using the "actions-qrcode" icon, as a
reference on how TOTP can be set up.

Resolves: #95031
Releases: master
Change-Id: Ie3b476faa7b7fac9fb5e02b09e727c954d2584dd
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70817


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>